{"gene":"NR5A1","run_date":"2026-06-10T05:19:52","timeline":{"discoveries":[{"year":1993,"finding":"Ad4BP (NR5A1) was purified from bovine adrenal cortex nuclear extract as a 53 kDa zinc finger protein that specifically binds the Ad4 cis-element in steroidogenic P-450 gene promoters (CYP11B and others), and its cDNA revealed a structure with a zinc finger DNA-binding domain and a ligand binding/dimerization domain homologous to the steroid hormone receptor superfamily; transfection of Ad4BP expression plasmid into CV-1 cells activated transcription of a CAT reporter driven by the Ad4 sequence.","method":"Protein purification from nuclear extract, cDNA cloning, sequence analysis, transient transfection/reporter assay","journal":"The Journal of biological chemistry","confidence":"High","confidence_rationale":"Tier 1 / Strong — direct biochemical purification, cDNA cloning with structural characterization, and functional reporter assay; foundational paper replicated across labs","pmids":["8463279"],"is_preprint":false},{"year":1993,"finding":"Ad4BP activates transcription of CYP11A and CYP11B gene promoters in steroidogenic cells in a cell-type-specific manner; the Ad4 site confers steroidogenic tissue-specific (Leydig and adrenocortical cell) transcriptional activity, dependent on Ad4BP protein, as shown by cotransfection of Ad4BP expression vector into non-steroidogenic PC-12 cells restoring cAMP-dependent transcription.","method":"Transient transfection, reporter gene (beta-globin CAT), immunoblot, cotransfection with Ad4BP or protein kinase A catalytic subunit expression vectors","journal":"Molecular endocrinology (Baltimore, Md.)","confidence":"High","confidence_rationale":"Tier 2 / Strong — multiple orthogonal methods (reporter assay, immunoblot, cotransfection rescue), replicated by multiple labs","pmids":["8247022"],"is_preprint":false},{"year":1994,"finding":"ELP and Ad4BP/SF-1 are isoforms encoded by the same gene (mammalian Ftz-F1 gene); they recognize the same DNA sequences but ELP has significantly weaker DNA-binding activity than Ad4BP and functions as a weak inhibitor of Ad4BP-dependent transactivation of the CYP11B gene when co-transfected.","method":"Gel shift assay (EMSA) with in vitro synthesized proteins, transient transfection/reporter assay, immunochemistry, immunohistochemistry","journal":"Molecular endocrinology (Baltimore, Md.)","confidence":"High","confidence_rationale":"Tier 1 / Strong — in vitro reconstitution (EMSA with synthesized proteins) plus functional transfection assays","pmids":["8058072"],"is_preprint":false},{"year":1997,"finding":"SF-1 directly activates Mullerian Inhibiting Substance (MIS) gene expression in vivo; a 180 bp MIS proximal promoter is sufficient for Sertoli cell and granulosa cell expression, and an intact SF-1 binding site within this promoter is required for MIS promoter activity in vivo, as shown by transgenic mouse assays with MIS/GH reporter transgenes.","method":"Transgenic mouse assay with MIS-human growth hormone reporter, site-directed mutagenesis of SF-1 binding site","journal":"Development (Cambridge, England)","confidence":"High","confidence_rationale":"Tier 1 / Strong — in vivo transgenic reporter assay with binding site mutagenesis, directly establishing SF-1 as required activator of MIS promoter","pmids":["9165127"],"is_preprint":false},{"year":1999,"finding":"Ad4BP/SF-1 directly regulates transcription of the Dax-1 gene; a novel Ad4/SF-1 binding site in the mouse Dax-1 upstream region was identified by transient transfection and EMSA, and Dax-1 expression was significantly impaired in Ftz-f1 (Ad4BP/SF-1) knockout mice.","method":"Transient transfection reporter assay, electrophoretic mobility shift assay (EMSA), immunohistochemistry, knockout mouse analysis","journal":"Molecular endocrinology (Baltimore, Md.)","confidence":"High","confidence_rationale":"Tier 1-2 / Strong — EMSA, reporter assay, and in vivo genetic evidence (KO mice) all converge","pmids":["10446902"],"is_preprint":false},{"year":2003,"finding":"DAX-1 represses Ad4BP/SF-1 transcriptional activity through direct protein-protein interaction mediated by three LXXLL-related motifs in DAX-1, which interact with the ligand binding domain of Ad4BP/SF-1; the interaction specificity depends on specific amino acids at defined positions within the LXXLL-related motifs.","method":"Yeast two-hybrid, in vitro pull-down, transient transfection/reporter assay, amino acid substitution analysis","journal":"Molecular and cellular biology","confidence":"High","confidence_rationale":"Tier 1-2 / Strong — yeast two-hybrid, in vitro pull-down, and functional transfection assays with mutagenesis; multiple orthogonal methods","pmids":["12482977"],"is_preprint":false},{"year":2004,"finding":"Ad4BP/SF-1 is sumoylated (SUMO-1 conjugation) at lysines K119 and K194 by the E2 enzyme Ubc9 and E3 ligases PIAS1/PIAS3; sumoylation at K194, within the synergy control (SC) motif, represses synergistic transcription from promoters with multiple Ad4/SF-1 binding sites; SUMO modification does not affect DNA binding activity or interaction with Sox9 but regulates transcriptional synergy between Ad4BP/SF-1 and Sox9.","method":"Two-hybrid screening, cultured cell sumoylation assay, in vitro sumoylation assay, transient transfection/reporter assay, mutagenesis (K194R)","journal":"Molecular endocrinology (Baltimore, Md.)","confidence":"High","confidence_rationale":"Tier 1 / Strong — in vitro and in vivo sumoylation assays, mutagenesis of sumoylation sites, functional reporter assays, multiple orthogonal methods","pmids":["15192080"],"is_preprint":false},{"year":2006,"finding":"Ad4BP/SF-1 gene expression in the fetal adrenal is initiated by a Hox-Pbx1-Prep1 complex binding to a fetal adrenal enhancer (FAdE) in intron 4, and is subsequently maintained by an autoregulatory loop in which Ad4BP/SF-1 itself binds Ad4 sites within FAdE; transgenic mouse assays defined conserved Pbx/Prep and Pbx/Hox binding sites as initiating elements, while Ad4 sites (with Ad4BP/SF-1) maintain expression.","method":"Transgenic mouse assay with FAdE-lacZ reporters, site-directed mutagenesis of FAdE binding sites, RT-PCR for Hox expression in adrenal primordia","journal":"Molecular and cellular biology","confidence":"High","confidence_rationale":"Tier 2 / Strong — in vivo transgenic reporter assay with binding site mutagenesis and gene expression analysis; establishes two-step regulatory mechanism","pmids":["16705164"],"is_preprint":false},{"year":2009,"finding":"ARIP4 (AR interacting protein 4, a Rad54 family SNF2 chromatin remodeling factor) interacts with sumoylated Ad4BP/SF-1 through two SUMO-interacting motifs and one Ad4BP/SF-1-binding region; ARIP4 ATPase activity is stimulated by sumoylated Ad4BP/SF-1 in the presence of Ad4BP/SF-1-binding DNA; ChIP and siRNA studies show ARIP4 transiently suppresses Ad4BP/SF-1-mediated transcription upon recruitment to target genes.","method":"Affinity purification of ARIP4, co-immunoprecipitation, SUMO-interacting motif mapping, ATPase activity assay, ChIP assay, siRNA knockdown","journal":"Molecular biology of the cell","confidence":"High","confidence_rationale":"Tier 1-2 / Moderate — in vitro ATPase assay, multiple protein interaction assays, ChIP, and siRNA; several orthogonal methods in one study","pmids":["19692572"],"is_preprint":false},{"year":2011,"finding":"SF-1 (NR5A1) localizes to centrosomes in addition to the nucleus; shRNA-mediated depletion of SF-1 causes centrosome over-duplication, aberrant mitosis, and genomic instability; a centrosome localization signal was identified in SF-1; a transcription-defective SF-1-G35E mutant rescues centrosome amplification, indicating a non-genomic (non-transcriptional) role of SF-1 in centrosome homeostasis.","method":"Immunofluorescence/subcellular fractionation, shRNA knockdown, centrosome duplication assay, mutagenesis (G35E transcription-defective mutant), rescue experiments","journal":"Cell death and differentiation","confidence":"High","confidence_rationale":"Tier 2 / Moderate — direct localization experiment tied to functional consequence (centrosome homeostasis), with rescue using transcription-defective mutant to dissect mechanism","pmids":["21566663"],"is_preprint":false},{"year":2011,"finding":"Ubc9 and PIAS1 act as coactivators of SF-1-mediated transcription of steroidogenic enzyme genes (CYP17, CYP11A1, CYP11B1) in adrenocortical cells; Ubc9 and PIAS1 interact with SF-1 (co-immunoprecipitation), are recruited to the CYP17 promoter in chromatin (ChIP), and their knockdown by siRNA reduces endogenous CYP17, CYP11A1, and CYP11B1 mRNA; coactivation is independent of their sumoylation enzymatic activity.","method":"Co-immunoprecipitation, ChIP assay, siRNA knockdown, transient transfection/reporter assay, mutagenesis of sumoylation activity","journal":"Endocrinology","confidence":"High","confidence_rationale":"Tier 2 / Moderate — reciprocal Co-IP, ChIP, siRNA with endogenous gene expression, and mutagenesis; multiple orthogonal methods","pmids":["21467194"],"is_preprint":false},{"year":2011,"finding":"SOAT1 (sterol O-acyltransferase 1) is a novel transcriptional target of SF-1 in the human adrenal; bidirectional manipulation of SF-1 (overexpression and knockdown) in NCI-H295R human adrenocortical cells identified SOAT1 among positively regulated SF-1 target genes, alongside established targets STAR and CYP11A.","method":"SF-1 overexpression and knockdown (siRNA) in adrenocortical cells, gene expression profiling","journal":"The Journal of clinical endocrinology and metabolism","confidence":"Medium","confidence_rationale":"Tier 2 / Weak — bidirectional manipulation (KD and OE) but single lab, no direct ChIP or binding assay for SOAT1","pmids":["21239516"],"is_preprint":false},{"year":2014,"finding":"Nearly all genes in the glycolytic pathway are direct transcriptional targets of Ad4BP/SF-1 (NR5A1); ChIP-seq identified glycolytic gene promoters as Ad4BP/SF-1 binding sites; siRNA-mediated suppression of Ad4BP/SF-1 reduced ATP and NADPH production and decreased expression of glucose metabolism genes in steroidogenic cells.","method":"ChIP-seq (chromatin immunoprecipitation sequencing), siRNA knockdown, metabolite measurement (ATP, NADPH)","journal":"Nature communications","confidence":"High","confidence_rationale":"Tier 1-2 / Moderate — genome-wide ChIP-seq with functional siRNA validation and metabolic readout; multiple orthogonal methods in one study","pmids":["24727981"],"is_preprint":false},{"year":2014,"finding":"SF-1 (NR5A1) is required in the Sertoli cell lineage for post-sex-determination testis development; Sertoli cell-specific knockout of Nr5a1 at E14.5 (using Amh-Cre) leads to Sertoli cell apoptosis via reduced MDM2 levels and elevated TP53, disruption of seminiferous cords, and loss of both Sertoli and germ cell populations; NR5A1 appears to directly regulate MDM2 expression.","method":"Conditional Sertoli cell-specific knockout (Amh-Cre × Nr5a1-flox), apoptosis assays, MDM2/TP53 protein expression analysis","journal":"Scientific reports","confidence":"Medium","confidence_rationale":"Tier 2 / Weak — clean conditional KO with specific cellular phenotype and pathway placement (MDM2/TP53), but direct transcriptional regulation of MDM2 by NR5A1 not proven by reporter/ChIP in this study","pmids":["30872705"],"is_preprint":false},{"year":2014,"finding":"SF-1 (NR5A1) is required for human spleen development via transactivation of TLX1; a recessive SF-1 R103Q mutation reduced SF-1 transactivation of TLX1 (a transcription factor essential for murine spleen development) but did not impair synergistic SF-1/SRY coactivation of the SOX9 testis development enhancer, demonstrating functionally separable domains in SF-1.","method":"Patient mutation identification, in vitro transactivation assays (luciferase reporter), functional mutagenesis comparing TLX1 vs. SOX9/TESCO activation","journal":"The Journal of clinical investigation","confidence":"Medium","confidence_rationale":"Tier 2 / Weak — functional reporter assay with patient mutant dissecting two activities; single lab, no direct structural validation","pmids":["24905461"],"is_preprint":false},{"year":2018,"finding":"Ad4BP/SF-1 regulates cholesterogenic genes and Hummr (a candidate mediator of cholesterol transport from endoplasmic reticula to mitochondria), in addition to steroidogenic and glycolytic genes; ChIP-seq and gene expression analyses demonstrate SF-1 directly coordinates housekeeping cholesterol synthesis with cell-specific steroidogenesis.","method":"ChIP-seq, gene expression analysis, siRNA knockdown","journal":"Communications biology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — ChIP-seq with functional knockdown; two orthogonal methods, single lab","pmids":["30271905"],"is_preprint":false},{"year":2018,"finding":"SF-1 mutants found in 46,XY DSD patients show reduced transcriptional activation of the SOX9 TESCO enhancer; 15 of 20 patient-derived SF-1 mutants displayed reduced TESCO activation, with 11 showing atypical subcellular localization, and in silico analysis predicted altered DNA, ligand, or cofactor interactions in 14 mutants.","method":"Luciferase reporter assay (TESCO enhancer), protein expression analysis, subcellular localization by immunofluorescence, in silico structural modeling","journal":"Human mutation","confidence":"Medium","confidence_rationale":"Tier 2-3 / Moderate — functional reporter assays and localization studies on multiple patient mutants; no direct structural validation","pmids":["30067310"],"is_preprint":false},{"year":2016,"finding":"SF-1 expression in VMH neurons is required for beneficial metabolic effects of exercise; VMH-specific deletion of SF-1 in mice blunts exercise-induced reductions in fat mass, improvements in glycemia, increases in energy expenditure, and induction of PGC-1α in skeletal muscle.","method":"VMH-specific conditional knockout of SF-1 (Nr5a1) in mice, metabolic phenotyping during exercise training","journal":"eLife","confidence":"Medium","confidence_rationale":"Tier 2 / Weak — clean conditional KO with defined metabolic phenotype; single lab, mechanism linking SF-1 to PGC-1α induction not directly established","pmids":["27874828"],"is_preprint":false},{"year":2016,"finding":"SF-1 deficiency in Leydig cells leads to lipid accumulation via suppression of STAR and CYP11A1; SF-1 knockdown in mouse Leydig cell lines caused reduced STAR and CYP11A1 expression, accumulation of neutral lipids and cholesterol, and reduced androgen production; knockdown of either STAR or CYP11A1 alone induced lipid accumulation, and combined knockdown was additive.","method":"Heterozygous SF-1 knockout mouse analysis, siRNA knockdown in Leydig cell lines, lipid staining, steroid hormone measurement","journal":"Endocrine","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — in vivo and in vitro KO/KD with mechanistic pathway dissection; two orthogonal approaches","pmids":["27455990"],"is_preprint":false},{"year":2023,"finding":"SF-1 (Nr5a1) is required for formation of the ovarian primordial follicle reserve; conditional depletion of SF-1 (but not LRH-1) from prenatal ovaries led to smaller ovaries, fewer primordial follicles, increased oocyte death via elevated ovarian inflammation and Notch signaling, impaired ovarian laminin matrix formation, and compromised oocyte-granulosa cell communication; major dysregulated genes included Iroquois homeobox 3 and 5 and their downstream targets.","method":"Conditional knockout of Nr5a1 in prenatal ovaries, histology, oocyte counting, transcriptomic analysis, Notch signaling assays","journal":"Proceedings of the National Academy of Sciences of the United States of America","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — conditional KO with specific cellular phenotype and pathway placement; single lab but multiple readouts","pmids":["37494420"],"is_preprint":false},{"year":1995,"finding":"The mouse ELP/Ad4BP/SF-1 gene generates multiple isoforms (ELP1, ELP2, ELP3, Ad4BP/SF-1) via alternative promoter usage and differential splicing; ELP1, which lacks the region III (ligand binding/activation) domain, functions as a transcriptional repressor, whereas isoforms with intact region II and III function as transactivators.","method":"cDNA library screening, genomic sequence analysis, RT-PCR, transient transfection/reporter assay","journal":"Journal of biochemistry","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — genomic structure analysis and functional reporter assays distinguishing isoform activities; single lab","pmids":["8543574"],"is_preprint":false},{"year":2001,"finding":"Pod-1/Capsulin (a bHLH transcription factor) represses expression of Ad4BP/SF-1; in co-transfection experiments, Pod-1/Capsulin overexpression repressed a reporter driven by the Ad4BP/SF-1 upstream regulatory region, and forced Pod-1/Capsulin expression in Leydig cell-derived I-10 cells repressed endogenous Ad4BP/SF-1 expression.","method":"Co-transfection reporter assay, forced expression in cell lines, endogenous gene expression analysis","journal":"Mechanisms of development","confidence":"Medium","confidence_rationale":"Tier 3 / Moderate — co-transfection and overexpression in cell lines, but no direct binding or ChIP; two independent assays","pmids":["11287187"],"is_preprint":false},{"year":1998,"finding":"SF-1/Ad4BP binds specific sites in the bovine StAR gene promoter (at -1190, and weakly at -240) as shown by EMSA with nuclear proteins and in vitro transcribed/translated SF-1/Ad4BP; transfection assays showed SF-1/Ad4BP activates the bovine StAR promoter preferentially through proximal elements (-100 and -240), with a small cAMP/PKA-dependent increase.","method":"EMSA, heterologous transfection of StAR promoter-reporter constructs, cotransfection with SF-1/Ad4BP expression vector and constitutive PKA","journal":"Journal of molecular endocrinology","confidence":"Medium","confidence_rationale":"Tier 1-2 / Weak — EMSA with in vitro protein plus transfection assays, but discrepancy between EMSA and transfection results noted in paper; single lab","pmids":["9801462"],"is_preprint":false},{"year":2005,"finding":"A ventromedial hypothalamic nucleus (VMH)-specific enhancer for Ad4BP/SF-1 gene expression was identified in intron 6 of the mouse Ad4BP/SF-1 gene; the enhancer is conserved in mouse, human, and chick; ATTA motifs (homeobox protein binding elements) within the activating element are required for enhancer activity, as shown by transgenic mouse assays and EMSA with hypothalamic nuclear extracts.","method":"Transgenic mouse reporter (lacZ) assays, site-directed mutagenesis, EMSA with hypothalamic nuclear extracts","journal":"Molecular endocrinology (Baltimore, Md.)","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — in vivo transgenic reporter with mutagenesis and EMSA; single lab but multiple orthogonal methods","pmids":["15994202"],"is_preprint":false},{"year":2011,"finding":"A fetal Leydig cell-specific enhancer was identified in the upstream region of the mouse Ad4BP/SF-1 gene; the enhancer contains an Ad4BP/SF-1 binding sequence (required for autoregulatory loop) and an E-box; mutation of either sequence abolished enhancer activity in transgenic mouse assays, indicating Leydig cell-specific Ad4BP/SF-1 expression requires both an unidentified E-box binding protein and SF-1 autoregulation.","method":"Transgenic mouse reporter assay, site-directed mutagenesis of Ad4 and E-box sites, comparative genomics","journal":"Endocrinology","confidence":"Medium","confidence_rationale":"Tier 2 / Moderate — in vivo transgenic assay with mutagenesis; single lab","pmids":["22128023"],"is_preprint":false}],"current_model":"NR5A1/SF-1/Ad4BP is a zinc finger orphan nuclear receptor that directly binds Ad4/SF-1 cis-elements in promoters of steroidogenic P-450 genes (CYP11A, CYP11B, StAR, aromatase), MIS, DAX-1, SOX9 (TESCO enhancer), TLX1, and glycolytic and cholesterogenic gene sets to activate or repress transcription; its transcriptional activity is modulated by SUMO-1 modification at K119/K194 (written by Ubc9/PIAS1/PIAS3), which recruits the ARIP4 chromatin remodeler to suppress synergistic transcription, while DAX-1 represses SF-1 via direct protein-protein interaction through LXXLL-related motifs with the SF-1 ligand-binding domain; SF-1 gene expression itself is controlled by a two-step mechanism—initiation by a Hox-Pbx1-Prep1 complex at a fetal adrenal enhancer and maintenance by an SF-1 autoregulatory loop—with tissue-specific enhancers also directing expression in VMH and fetal Leydig cells; in addition to its nuclear transcriptional role, SF-1 localizes to centrosomes and maintains centrosome homeostasis and genomic stability through a non-transcriptional mechanism; SF-1 is required in the VMH for exercise-induced metabolic benefits and in Sertoli cells for post-sex-determination survival via the MDM2/TP53 pathway, and in prenatal ovaries for primordial follicle reserve formation by suppressing Notch signaling and maintaining laminin matrix integrity."},"narrative":{"mechanistic_narrative":"NR5A1 (Ad4BP/SF-1) is a zinc finger orphan nuclear receptor that binds Ad4/SF-1 cis-elements through a DNA-binding domain and a ligand-binding/dimerization domain homologous to the steroid receptor superfamily, acting as the master transcriptional regulator of steroidogenic cell identity and endocrine organ development [PMID:8463279]. It directly drives steroidogenic gene expression in a cell-type-specific manner, activating the steroidogenic P-450 genes CYP11A and CYP11B [PMID:8247022], the cholesterol-mobilizing genes STAR and CYP11A1 [PMID:27455990, PMID:9801462], and coordinating cholesterogenic and glycolytic gene programs genome-wide so that housekeeping cholesterol synthesis and energy metabolism are matched to cell-specific steroid output [PMID:24727981, PMID:30271905]. Beyond steroidogenesis, SF-1 directly governs developmental targets including Mullerian Inhibiting Substance [PMID:9165127], the orphan receptor DAX-1 [PMID:10446902], the spleen-determination factor TLX1, and the SOX9 TESCO testis enhancer—activities that map to functionally separable domains [PMID:24905461, PMID:30067310]. Its transcriptional output is tuned by SUMO-1 conjugation at K119/K194, which—within the synergy control motif—represses synergistic transcription and recruits the SNF2 chromatin remodeler ARIP4 to transiently suppress target genes, while the SUMO machinery components Ubc9 and PIAS1 additionally serve as sumoylation-independent coactivators [PMID:15192080, PMID:19692572, PMID:21467194]; DAX-1 represses SF-1 through direct LXXLL-mediated contact with its ligand-binding domain [PMID:12482977]. SF-1 expression is itself controlled in two steps, initiated by a Hox-Pbx1-Prep1 complex at a fetal adrenal enhancer and maintained by an autoregulatory loop, with dedicated tissue-specific enhancers directing VMH and fetal Leydig cell expression [PMID:16705164, PMID:15994202, PMID:22128023]. In vivo, SF-1 is required for Sertoli cell survival via the MDM2/TP53 axis [PMID:30872705], for ovarian primordial follicle reserve formation through suppression of Notch signaling and laminin matrix maintenance [PMID:37494420], and in VMH neurons for the metabolic benefits of exercise [PMID:27874828]. Distinct from its nuclear role, SF-1 localizes to centrosomes and maintains centrosome homeostasis and genomic stability through a transcription-independent mechanism, as shown by a transcription-defective mutant that still rescues centrosome amplification [PMID:21566663].","teleology":[{"year":1993,"claim":"Established the molecular identity of the factor controlling steroidogenic gene transcription—answering what protein binds the Ad4 cis-element and whether it can activate transcription.","evidence":"Protein purification from bovine adrenal nuclear extract, cDNA cloning, and reporter assay in CV-1 cells","pmids":["8463279","8247022"],"confidence":"High","gaps":["Endogenous ligand undefined","In vivo necessity not yet shown by genetics"]},{"year":1994,"claim":"Resolved that the same Ftz-F1 locus encodes multiple isoforms with opposing activities, showing that DNA-binding strength and isoform structure tune SF-1 output.","evidence":"EMSA with in vitro synthesized proteins and reporter assays distinguishing ELP/ELP1 from Ad4BP","pmids":["8058072","8543574"],"confidence":"High","gaps":["Physiological abundance and tissue distribution of repressor isoforms unquantified"]},{"year":1997,"claim":"Demonstrated in vivo that SF-1 is a required activator of a developmental target gene (MIS), extending it beyond steroidogenic enzymes into sex differentiation.","evidence":"Transgenic mouse MIS-reporter assay with SF-1 binding-site mutagenesis","pmids":["9165127"],"confidence":"High","gaps":["Cofactors required for Sertoli-specific activation not defined"]},{"year":1999,"claim":"Showed SF-1 directly regulates DAX-1, defining a transcriptional node in the gonadal/adrenal regulatory network.","evidence":"EMSA, reporter assay, and Ftz-f1 knockout mouse expression analysis","pmids":["10446902"],"confidence":"High","gaps":["Direct promoter occupancy in vivo by ChIP not shown"]},{"year":2003,"claim":"Defined the structural basis of negative feedback—how DAX-1 antagonizes SF-1—identifying LXXLL-motif contacts with the SF-1 ligand-binding domain.","evidence":"Yeast two-hybrid, in vitro pull-down, reporter assays with motif mutagenesis","pmids":["12482977"],"confidence":"High","gaps":["Structural model of the SF-1 LBD/DAX-1 interface not solved"]},{"year":2004,"claim":"Established post-translational control of SF-1 by SUMO-1, showing sumoylation at the synergy control motif represses multi-site synergistic transcription without altering DNA binding.","evidence":"In vitro and cellular sumoylation assays, K194R mutagenesis, reporter assays","pmids":["15192080"],"confidence":"High","gaps":["Physiological signals controlling SF-1 sumoylation dynamics unknown"]},{"year":2006,"claim":"Resolved how SF-1 expression itself is established and sustained, defining a two-step Hox-Pbx1-Prep1 initiation plus SF-1 autoregulatory maintenance mechanism at the fetal adrenal enhancer.","evidence":"Transgenic FAdE-lacZ reporters with binding-site mutagenesis and RT-PCR","pmids":["16705164"],"confidence":"High","gaps":["Identity of factors triggering the initiation-to-maintenance switch unclear"]},{"year":2009,"claim":"Connected SF-1 sumoylation to chromatin remodeling, showing sumoylated SF-1 recruits and stimulates the ATPase ARIP4 to transiently suppress target genes.","evidence":"Affinity purification, SIM mapping, ATPase assay, ChIP, and siRNA knockdown","pmids":["19692572"],"confidence":"High","gaps":["Genome-wide scope of ARIP4-mediated repression not mapped"]},{"year":2011,"claim":"Revealed a transcription-independent function of SF-1 at the centrosome safeguarding genomic stability, dissected by a transcription-defective mutant that still rescues centrosome amplification.","evidence":"Immunofluorescence/fractionation, shRNA depletion, centrosome assays, G35E rescue","pmids":["21566663"],"confidence":"High","gaps":["Centrosomal binding partners and mechanism of duplication control unknown"]},{"year":2011,"claim":"Broadened the SF-1 regulon, establishing that it directly controls glycolytic genes and additional adrenal targets (SOAT1), coupling metabolic capacity to steroidogenesis.","evidence":"ChIP-seq, siRNA knockdown with ATP/NADPH readouts, and bidirectional manipulation in adrenocortical cells","pmids":["24727981","21239516","21467194"],"confidence":"High","gaps":["Direct binding for some targets (e.g. SOAT1) inferred from expression, not ChIP"]},{"year":2014,"claim":"Showed SF-1 activities are functionally separable across organs, regulating TLX1 for spleen development independently of SOX9/TESCO synergy, and required in Sertoli cells via the MDM2/TP53 survival axis.","evidence":"Patient-mutation transactivation assays and Sertoli-specific Amh-Cre conditional knockout with apoptosis/MDM2-TP53 analysis","pmids":["24905461","30872705"],"confidence":"Medium","gaps":["Direct transcriptional regulation of MDM2 by NR5A1 not proven by ChIP/reporter","Domain basis for target selectivity not structurally defined"]},{"year":2018,"claim":"Linked patient SF-1 mutations to impaired TESCO activation and aberrant localization, and expanded the regulon to cholesterogenic genes coordinating cholesterol supply with steroidogenesis.","evidence":"Reporter assays and localization on 20 patient mutants; ChIP-seq and knockdown for cholesterogenic targets","pmids":["30067310","30271905"],"confidence":"Medium","gaps":["Structural consequences of mutations modeled in silico only","Hummr role in cholesterol transport not directly validated"]},{"year":2023,"claim":"Defined organ-level developmental roles in vivo—VMH neuronal control of exercise metabolism and prenatal ovarian primordial follicle reserve formation via Notch suppression and laminin matrix integrity.","evidence":"VMH-specific and prenatal ovary conditional knockouts with metabolic phenotyping, histology, and transcriptomics","pmids":["27874828","37494420","27455990"],"confidence":"Medium","gaps":["Mechanistic link from SF-1 to PGC-1α induction not established","Direct SF-1 targets mediating Notch/laminin effects unidentified"]},{"year":null,"claim":"The endogenous ligand (if any) regulating SF-1 ligand-binding-domain activity and the integration of its nuclear versus centrosomal functions remain undefined.","evidence":"","pmids":[],"confidence":"Medium","gaps":["No physiological ligand established in the corpus","How a single protein partitions transcriptional and centrosomal roles is unresolved"]}],"mechanism_profile":{"molecular_activity":[{"term_id":"GO:0140110","term_label":"transcription regulator activity","supporting_discovery_ids":[0,1,3,4,12]},{"term_id":"GO:0003677","term_label":"DNA binding","supporting_discovery_ids":[0,2,22]}],"localization":[{"term_id":"GO:0005634","term_label":"nucleus","supporting_discovery_ids":[0,9]},{"term_id":"GO:0005815","term_label":"microtubule organizing center","supporting_discovery_ids":[9]}],"pathway":[{"term_id":"GO:0140110","term_label":"transcription regulator activity","supporting_discovery_ids":[0]}],"complexes":[],"partners":["DAX-1","ARIP4","UBC9","PIAS1","PIAS3","SOX9"],"other_free_text":[]}},"prefetch_data":{"uniprot":{"accession":"Q13285","full_name":"Steroidogenic factor 1","aliases":["Adrenal 4-binding protein","Fushi tarazu factor homolog 1","Nuclear receptor subfamily 5 group A member 1","Steroid hormone receptor Ad4BP"],"length_aa":461,"mass_kda":51.6,"function":"Transcriptional activator. Essential for sexual differentiation and formation of the primary steroidogenic tissues (PubMed:27378692). Binds to the Ad4 site found in the promoter region of steroidogenic P450 genes such as CYP11A, CYP11B and CYP21B. Also regulates the AMH/Muellerian inhibiting substance gene as well as the AHCH and STAR genes. 5'-YCAAGGYC-3' and 5'-RRAGGTCA-3' are the consensus sequences for the recognition by NR5A1 (PubMed:27378692). The SFPQ-NONO-NR5A1 complex binds to the CYP17 promoter and regulates basal and cAMP-dependent transcriptional activity. Binds phosphatidylcholine (By similarity). Binds phospholipids with a phosphatidylinositol (PI) headgroup, in particular PI(3,4)P2 and PI(3,4,5)P3. 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medicine","url":"https://pubmed.ncbi.nlm.nih.gov/32535112","citation_count":22,"is_preprint":false},{"pmid":"33203722","id":"PMC_33203722","title":"ELP-dependent expression of MCL1 promotes resistance to EGFR inhibition in triple-negative breast cancer cells.","date":"2020","source":"Science signaling","url":"https://pubmed.ncbi.nlm.nih.gov/33203722","citation_count":21,"is_preprint":false},{"pmid":"37240737","id":"PMC_37240737","title":"DHX37 and NR5A1 Variants Identified in Patients with 46,XY Partial Gonadal Dysgenesis.","date":"2023","source":"Life (Basel, Switzerland)","url":"https://pubmed.ncbi.nlm.nih.gov/37240737","citation_count":20,"is_preprint":false},{"pmid":"8840555","id":"PMC_8840555","title":"SF-1: a key regulator of development and function in the mammalian reproductive system.","date":"1996","source":"Acta paediatrica Japonica : Overseas edition","url":"https://pubmed.ncbi.nlm.nih.gov/8840555","citation_count":19,"is_preprint":false},{"pmid":"19692572","id":"PMC_19692572","title":"Transcriptional Suppression by Transient Recruitment of ARIP4 to Sumoylated nuclear receptor Ad4BP/SF-1.","date":"2009","source":"Molecular biology of the cell","url":"https://pubmed.ncbi.nlm.nih.gov/19692572","citation_count":19,"is_preprint":false},{"pmid":"35074916","id":"PMC_35074916","title":"Sex-specific splicing of Z- and W-borne nr5a1 alleles suggests sex determination is controlled by chromosome conformation.","date":"2022","source":"Proceedings of the National Academy of Sciences of the United States of America","url":"https://pubmed.ncbi.nlm.nih.gov/35074916","citation_count":19,"is_preprint":false},{"pmid":"24712878","id":"PMC_24712878","title":"Vanin-1 inactivation antagonizes the development of adrenocortical neoplasia in Sf-1 transgenic mice.","date":"2014","source":"Endocrinology","url":"https://pubmed.ncbi.nlm.nih.gov/24712878","citation_count":19,"is_preprint":false},{"pmid":"29791150","id":"PMC_29791150","title":"Elastin-like Polypeptide (ELP) Charge Influences Self-Assembly of ELP-mCherry Fusion Proteins.","date":"2018","source":"Biomacromolecules","url":"https://pubmed.ncbi.nlm.nih.gov/29791150","citation_count":19,"is_preprint":false},{"pmid":"35874276","id":"PMC_35874276","title":"HSF-1: Guardian of the Proteome Through Integration of Longevity Signals to the Proteostatic Network.","date":"2022","source":"Frontiers in aging","url":"https://pubmed.ncbi.nlm.nih.gov/35874276","citation_count":18,"is_preprint":false},{"pmid":"21467194","id":"PMC_21467194","title":"Coactivation of SF-1-mediated transcription of steroidogenic enzymes by Ubc9 and PIAS1.","date":"2011","source":"Endocrinology","url":"https://pubmed.ncbi.nlm.nih.gov/21467194","citation_count":18,"is_preprint":false},{"pmid":"9238716","id":"PMC_9238716","title":"Expression of steroidogenic factor-1 (SF-1) mRNA and protein in the human placenta.","date":"1996","source":"Molecular human reproduction","url":"https://pubmed.ncbi.nlm.nih.gov/9238716","citation_count":17,"is_preprint":false},{"pmid":"16834661","id":"PMC_16834661","title":"Role of transcription factors Ad4bp/SF-1 and DAX-1 in steroidogenesis and spermatogenesis in human testicular development and idiopathic azoospermia.","date":"2006","source":"International journal of urology : official journal of the Japanese Urological Association","url":"https://pubmed.ncbi.nlm.nih.gov/16834661","citation_count":17,"is_preprint":false},{"pmid":"20394914","id":"PMC_20394914","title":"NR5A1/SF-1 and development and function of the ovary.","date":"2010","source":"Annales d'endocrinologie","url":"https://pubmed.ncbi.nlm.nih.gov/20394914","citation_count":16,"is_preprint":false},{"pmid":"22024498","id":"PMC_22024498","title":"SF-1 expression during adrenal development and tumourigenesis.","date":"2011","source":"Molecular and cellular endocrinology","url":"https://pubmed.ncbi.nlm.nih.gov/22024498","citation_count":16,"is_preprint":false},{"pmid":"31950150","id":"PMC_31950150","title":"Extension of Survival in Bilaterally Adrenalectomized Mice by Implantation of SF-1/Ad4BP-Induced Steroidogenic Cells.","date":"2020","source":"Endocrinology","url":"https://pubmed.ncbi.nlm.nih.gov/31950150","citation_count":16,"is_preprint":false},{"pmid":"10965053","id":"PMC_10965053","title":"Transcriptional regulation of the human FTZ-F1 gene encoding Ad4BP/SF-1.","date":"2000","source":"Journal of biochemistry","url":"https://pubmed.ncbi.nlm.nih.gov/10965053","citation_count":16,"is_preprint":false},{"pmid":"35373501","id":"PMC_35373501","title":"Combinatorial Use of Therapeutic ELP-Based Micelle Particles in Tissue Engineering.","date":"2022","source":"Advanced healthcare materials","url":"https://pubmed.ncbi.nlm.nih.gov/35373501","citation_count":15,"is_preprint":false},{"pmid":"32369823","id":"PMC_32369823","title":"NR5A1 Gene Variants: Variable Phenotypes, New Variants, Different Outcomes.","date":"2020","source":"Sexual development : genetics, molecular biology, evolution, endocrinology, embryology, and pathology of sex determination and differentiation","url":"https://pubmed.ncbi.nlm.nih.gov/32369823","citation_count":15,"is_preprint":false},{"pmid":"31569342","id":"PMC_31569342","title":"Radiosensitization of HSF-1 Knockdown Lung Cancer Cells by Low Concentrations of Hsp90 Inhibitor NVP-AUY922.","date":"2019","source":"Cells","url":"https://pubmed.ncbi.nlm.nih.gov/31569342","citation_count":15,"is_preprint":false},{"pmid":"30067310","id":"PMC_30067310","title":"Mutant NR5A1/SF-1 in patients with disorders of sex development shows defective activation of the SOX9 TESCO enhancer.","date":"2018","source":"Human mutation","url":"https://pubmed.ncbi.nlm.nih.gov/30067310","citation_count":15,"is_preprint":false},{"pmid":"35276294","id":"PMC_35276294","title":"Application of elastin-like polypeptide (ELP) containing extra-cellular matrix (ECM) binding ligands in regenerative medicine.","date":"2022","source":"International journal of biological macromolecules","url":"https://pubmed.ncbi.nlm.nih.gov/35276294","citation_count":15,"is_preprint":false},{"pmid":"38785542","id":"PMC_38785542","title":"Role of NR5A1 Gene Mutations in Disorders of Sex Development: Molecular and Clinical Features.","date":"2024","source":"Current issues in molecular biology","url":"https://pubmed.ncbi.nlm.nih.gov/38785542","citation_count":14,"is_preprint":false},{"pmid":"33335203","id":"PMC_33335203","title":"Enantiomer-specific activities of an LRH-1 and SF-1 dual agonist.","date":"2020","source":"Scientific 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pricing = 50% of standard"},"stage1_raw":"```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 1993,\n      \"finding\": \"Ad4BP (NR5A1) was purified from bovine adrenal cortex nuclear extract as a 53 kDa zinc finger protein that specifically binds the Ad4 cis-element in steroidogenic P-450 gene promoters (CYP11B and others), and its cDNA revealed a structure with a zinc finger DNA-binding domain and a ligand binding/dimerization domain homologous to the steroid hormone receptor superfamily; transfection of Ad4BP expression plasmid into CV-1 cells activated transcription of a CAT reporter driven by the Ad4 sequence.\",\n      \"method\": \"Protein purification from nuclear extract, cDNA cloning, sequence analysis, transient transfection/reporter assay\",\n      \"journal\": \"The Journal of biological chemistry\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — direct biochemical purification, cDNA cloning with structural characterization, and functional reporter assay; foundational paper replicated across labs\",\n      \"pmids\": [\"8463279\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1993,\n      \"finding\": \"Ad4BP activates transcription of CYP11A and CYP11B gene promoters in steroidogenic cells in a cell-type-specific manner; the Ad4 site confers steroidogenic tissue-specific (Leydig and adrenocortical cell) transcriptional activity, dependent on Ad4BP protein, as shown by cotransfection of Ad4BP expression vector into non-steroidogenic PC-12 cells restoring cAMP-dependent transcription.\",\n      \"method\": \"Transient transfection, reporter gene (beta-globin CAT), immunoblot, cotransfection with Ad4BP or protein kinase A catalytic subunit expression vectors\",\n      \"journal\": \"Molecular endocrinology (Baltimore, Md.)\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — multiple orthogonal methods (reporter assay, immunoblot, cotransfection rescue), replicated by multiple labs\",\n      \"pmids\": [\"8247022\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1994,\n      \"finding\": \"ELP and Ad4BP/SF-1 are isoforms encoded by the same gene (mammalian Ftz-F1 gene); they recognize the same DNA sequences but ELP has significantly weaker DNA-binding activity than Ad4BP and functions as a weak inhibitor of Ad4BP-dependent transactivation of the CYP11B gene when co-transfected.\",\n      \"method\": \"Gel shift assay (EMSA) with in vitro synthesized proteins, transient transfection/reporter assay, immunochemistry, immunohistochemistry\",\n      \"journal\": \"Molecular endocrinology (Baltimore, Md.)\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — in vitro reconstitution (EMSA with synthesized proteins) plus functional transfection assays\",\n      \"pmids\": [\"8058072\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1997,\n      \"finding\": \"SF-1 directly activates Mullerian Inhibiting Substance (MIS) gene expression in vivo; a 180 bp MIS proximal promoter is sufficient for Sertoli cell and granulosa cell expression, and an intact SF-1 binding site within this promoter is required for MIS promoter activity in vivo, as shown by transgenic mouse assays with MIS/GH reporter transgenes.\",\n      \"method\": \"Transgenic mouse assay with MIS-human growth hormone reporter, site-directed mutagenesis of SF-1 binding site\",\n      \"journal\": \"Development (Cambridge, England)\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — in vivo transgenic reporter assay with binding site mutagenesis, directly establishing SF-1 as required activator of MIS promoter\",\n      \"pmids\": [\"9165127\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1999,\n      \"finding\": \"Ad4BP/SF-1 directly regulates transcription of the Dax-1 gene; a novel Ad4/SF-1 binding site in the mouse Dax-1 upstream region was identified by transient transfection and EMSA, and Dax-1 expression was significantly impaired in Ftz-f1 (Ad4BP/SF-1) knockout mice.\",\n      \"method\": \"Transient transfection reporter assay, electrophoretic mobility shift assay (EMSA), immunohistochemistry, knockout mouse analysis\",\n      \"journal\": \"Molecular endocrinology (Baltimore, Md.)\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1-2 / Strong — EMSA, reporter assay, and in vivo genetic evidence (KO mice) all converge\",\n      \"pmids\": [\"10446902\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2003,\n      \"finding\": \"DAX-1 represses Ad4BP/SF-1 transcriptional activity through direct protein-protein interaction mediated by three LXXLL-related motifs in DAX-1, which interact with the ligand binding domain of Ad4BP/SF-1; the interaction specificity depends on specific amino acids at defined positions within the LXXLL-related motifs.\",\n      \"method\": \"Yeast two-hybrid, in vitro pull-down, transient transfection/reporter assay, amino acid substitution analysis\",\n      \"journal\": \"Molecular and cellular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1-2 / Strong — yeast two-hybrid, in vitro pull-down, and functional transfection assays with mutagenesis; multiple orthogonal methods\",\n      \"pmids\": [\"12482977\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2004,\n      \"finding\": \"Ad4BP/SF-1 is sumoylated (SUMO-1 conjugation) at lysines K119 and K194 by the E2 enzyme Ubc9 and E3 ligases PIAS1/PIAS3; sumoylation at K194, within the synergy control (SC) motif, represses synergistic transcription from promoters with multiple Ad4/SF-1 binding sites; SUMO modification does not affect DNA binding activity or interaction with Sox9 but regulates transcriptional synergy between Ad4BP/SF-1 and Sox9.\",\n      \"method\": \"Two-hybrid screening, cultured cell sumoylation assay, in vitro sumoylation assay, transient transfection/reporter assay, mutagenesis (K194R)\",\n      \"journal\": \"Molecular endocrinology (Baltimore, Md.)\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 / Strong — in vitro and in vivo sumoylation assays, mutagenesis of sumoylation sites, functional reporter assays, multiple orthogonal methods\",\n      \"pmids\": [\"15192080\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2006,\n      \"finding\": \"Ad4BP/SF-1 gene expression in the fetal adrenal is initiated by a Hox-Pbx1-Prep1 complex binding to a fetal adrenal enhancer (FAdE) in intron 4, and is subsequently maintained by an autoregulatory loop in which Ad4BP/SF-1 itself binds Ad4 sites within FAdE; transgenic mouse assays defined conserved Pbx/Prep and Pbx/Hox binding sites as initiating elements, while Ad4 sites (with Ad4BP/SF-1) maintain expression.\",\n      \"method\": \"Transgenic mouse assay with FAdE-lacZ reporters, site-directed mutagenesis of FAdE binding sites, RT-PCR for Hox expression in adrenal primordia\",\n      \"journal\": \"Molecular and cellular biology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Strong — in vivo transgenic reporter assay with binding site mutagenesis and gene expression analysis; establishes two-step regulatory mechanism\",\n      \"pmids\": [\"16705164\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2009,\n      \"finding\": \"ARIP4 (AR interacting protein 4, a Rad54 family SNF2 chromatin remodeling factor) interacts with sumoylated Ad4BP/SF-1 through two SUMO-interacting motifs and one Ad4BP/SF-1-binding region; ARIP4 ATPase activity is stimulated by sumoylated Ad4BP/SF-1 in the presence of Ad4BP/SF-1-binding DNA; ChIP and siRNA studies show ARIP4 transiently suppresses Ad4BP/SF-1-mediated transcription upon recruitment to target genes.\",\n      \"method\": \"Affinity purification of ARIP4, co-immunoprecipitation, SUMO-interacting motif mapping, ATPase activity assay, ChIP assay, siRNA knockdown\",\n      \"journal\": \"Molecular biology of the cell\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1-2 / Moderate — in vitro ATPase assay, multiple protein interaction assays, ChIP, and siRNA; several orthogonal methods in one study\",\n      \"pmids\": [\"19692572\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"SF-1 (NR5A1) localizes to centrosomes in addition to the nucleus; shRNA-mediated depletion of SF-1 causes centrosome over-duplication, aberrant mitosis, and genomic instability; a centrosome localization signal was identified in SF-1; a transcription-defective SF-1-G35E mutant rescues centrosome amplification, indicating a non-genomic (non-transcriptional) role of SF-1 in centrosome homeostasis.\",\n      \"method\": \"Immunofluorescence/subcellular fractionation, shRNA knockdown, centrosome duplication assay, mutagenesis (G35E transcription-defective mutant), rescue experiments\",\n      \"journal\": \"Cell death and differentiation\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — direct localization experiment tied to functional consequence (centrosome homeostasis), with rescue using transcription-defective mutant to dissect mechanism\",\n      \"pmids\": [\"21566663\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"Ubc9 and PIAS1 act as coactivators of SF-1-mediated transcription of steroidogenic enzyme genes (CYP17, CYP11A1, CYP11B1) in adrenocortical cells; Ubc9 and PIAS1 interact with SF-1 (co-immunoprecipitation), are recruited to the CYP17 promoter in chromatin (ChIP), and their knockdown by siRNA reduces endogenous CYP17, CYP11A1, and CYP11B1 mRNA; coactivation is independent of their sumoylation enzymatic activity.\",\n      \"method\": \"Co-immunoprecipitation, ChIP assay, siRNA knockdown, transient transfection/reporter assay, mutagenesis of sumoylation activity\",\n      \"journal\": \"Endocrinology\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — reciprocal Co-IP, ChIP, siRNA with endogenous gene expression, and mutagenesis; multiple orthogonal methods\",\n      \"pmids\": [\"21467194\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"SOAT1 (sterol O-acyltransferase 1) is a novel transcriptional target of SF-1 in the human adrenal; bidirectional manipulation of SF-1 (overexpression and knockdown) in NCI-H295R human adrenocortical cells identified SOAT1 among positively regulated SF-1 target genes, alongside established targets STAR and CYP11A.\",\n      \"method\": \"SF-1 overexpression and knockdown (siRNA) in adrenocortical cells, gene expression profiling\",\n      \"journal\": \"The Journal of clinical endocrinology and metabolism\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Weak — bidirectional manipulation (KD and OE) but single lab, no direct ChIP or binding assay for SOAT1\",\n      \"pmids\": [\"21239516\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"Nearly all genes in the glycolytic pathway are direct transcriptional targets of Ad4BP/SF-1 (NR5A1); ChIP-seq identified glycolytic gene promoters as Ad4BP/SF-1 binding sites; siRNA-mediated suppression of Ad4BP/SF-1 reduced ATP and NADPH production and decreased expression of glucose metabolism genes in steroidogenic cells.\",\n      \"method\": \"ChIP-seq (chromatin immunoprecipitation sequencing), siRNA knockdown, metabolite measurement (ATP, NADPH)\",\n      \"journal\": \"Nature communications\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1-2 / Moderate — genome-wide ChIP-seq with functional siRNA validation and metabolic readout; multiple orthogonal methods in one study\",\n      \"pmids\": [\"24727981\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"SF-1 (NR5A1) is required in the Sertoli cell lineage for post-sex-determination testis development; Sertoli cell-specific knockout of Nr5a1 at E14.5 (using Amh-Cre) leads to Sertoli cell apoptosis via reduced MDM2 levels and elevated TP53, disruption of seminiferous cords, and loss of both Sertoli and germ cell populations; NR5A1 appears to directly regulate MDM2 expression.\",\n      \"method\": \"Conditional Sertoli cell-specific knockout (Amh-Cre × Nr5a1-flox), apoptosis assays, MDM2/TP53 protein expression analysis\",\n      \"journal\": \"Scientific reports\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Weak — clean conditional KO with specific cellular phenotype and pathway placement (MDM2/TP53), but direct transcriptional regulation of MDM2 by NR5A1 not proven by reporter/ChIP in this study\",\n      \"pmids\": [\"30872705\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"SF-1 (NR5A1) is required for human spleen development via transactivation of TLX1; a recessive SF-1 R103Q mutation reduced SF-1 transactivation of TLX1 (a transcription factor essential for murine spleen development) but did not impair synergistic SF-1/SRY coactivation of the SOX9 testis development enhancer, demonstrating functionally separable domains in SF-1.\",\n      \"method\": \"Patient mutation identification, in vitro transactivation assays (luciferase reporter), functional mutagenesis comparing TLX1 vs. SOX9/TESCO activation\",\n      \"journal\": \"The Journal of clinical investigation\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Weak — functional reporter assay with patient mutant dissecting two activities; single lab, no direct structural validation\",\n      \"pmids\": [\"24905461\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"Ad4BP/SF-1 regulates cholesterogenic genes and Hummr (a candidate mediator of cholesterol transport from endoplasmic reticula to mitochondria), in addition to steroidogenic and glycolytic genes; ChIP-seq and gene expression analyses demonstrate SF-1 directly coordinates housekeeping cholesterol synthesis with cell-specific steroidogenesis.\",\n      \"method\": \"ChIP-seq, gene expression analysis, siRNA knockdown\",\n      \"journal\": \"Communications biology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — ChIP-seq with functional knockdown; two orthogonal methods, single lab\",\n      \"pmids\": [\"30271905\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2018,\n      \"finding\": \"SF-1 mutants found in 46,XY DSD patients show reduced transcriptional activation of the SOX9 TESCO enhancer; 15 of 20 patient-derived SF-1 mutants displayed reduced TESCO activation, with 11 showing atypical subcellular localization, and in silico analysis predicted altered DNA, ligand, or cofactor interactions in 14 mutants.\",\n      \"method\": \"Luciferase reporter assay (TESCO enhancer), protein expression analysis, subcellular localization by immunofluorescence, in silico structural modeling\",\n      \"journal\": \"Human mutation\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2-3 / Moderate — functional reporter assays and localization studies on multiple patient mutants; no direct structural validation\",\n      \"pmids\": [\"30067310\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"SF-1 expression in VMH neurons is required for beneficial metabolic effects of exercise; VMH-specific deletion of SF-1 in mice blunts exercise-induced reductions in fat mass, improvements in glycemia, increases in energy expenditure, and induction of PGC-1α in skeletal muscle.\",\n      \"method\": \"VMH-specific conditional knockout of SF-1 (Nr5a1) in mice, metabolic phenotyping during exercise training\",\n      \"journal\": \"eLife\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Weak — clean conditional KO with defined metabolic phenotype; single lab, mechanism linking SF-1 to PGC-1α induction not directly established\",\n      \"pmids\": [\"27874828\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2016,\n      \"finding\": \"SF-1 deficiency in Leydig cells leads to lipid accumulation via suppression of STAR and CYP11A1; SF-1 knockdown in mouse Leydig cell lines caused reduced STAR and CYP11A1 expression, accumulation of neutral lipids and cholesterol, and reduced androgen production; knockdown of either STAR or CYP11A1 alone induced lipid accumulation, and combined knockdown was additive.\",\n      \"method\": \"Heterozygous SF-1 knockout mouse analysis, siRNA knockdown in Leydig cell lines, lipid staining, steroid hormone measurement\",\n      \"journal\": \"Endocrine\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — in vivo and in vitro KO/KD with mechanistic pathway dissection; two orthogonal approaches\",\n      \"pmids\": [\"27455990\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2023,\n      \"finding\": \"SF-1 (Nr5a1) is required for formation of the ovarian primordial follicle reserve; conditional depletion of SF-1 (but not LRH-1) from prenatal ovaries led to smaller ovaries, fewer primordial follicles, increased oocyte death via elevated ovarian inflammation and Notch signaling, impaired ovarian laminin matrix formation, and compromised oocyte-granulosa cell communication; major dysregulated genes included Iroquois homeobox 3 and 5 and their downstream targets.\",\n      \"method\": \"Conditional knockout of Nr5a1 in prenatal ovaries, histology, oocyte counting, transcriptomic analysis, Notch signaling assays\",\n      \"journal\": \"Proceedings of the National Academy of Sciences of the United States of America\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — conditional KO with specific cellular phenotype and pathway placement; single lab but multiple readouts\",\n      \"pmids\": [\"37494420\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1995,\n      \"finding\": \"The mouse ELP/Ad4BP/SF-1 gene generates multiple isoforms (ELP1, ELP2, ELP3, Ad4BP/SF-1) via alternative promoter usage and differential splicing; ELP1, which lacks the region III (ligand binding/activation) domain, functions as a transcriptional repressor, whereas isoforms with intact region II and III function as transactivators.\",\n      \"method\": \"cDNA library screening, genomic sequence analysis, RT-PCR, transient transfection/reporter assay\",\n      \"journal\": \"Journal of biochemistry\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — genomic structure analysis and functional reporter assays distinguishing isoform activities; single lab\",\n      \"pmids\": [\"8543574\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2001,\n      \"finding\": \"Pod-1/Capsulin (a bHLH transcription factor) represses expression of Ad4BP/SF-1; in co-transfection experiments, Pod-1/Capsulin overexpression repressed a reporter driven by the Ad4BP/SF-1 upstream regulatory region, and forced Pod-1/Capsulin expression in Leydig cell-derived I-10 cells repressed endogenous Ad4BP/SF-1 expression.\",\n      \"method\": \"Co-transfection reporter assay, forced expression in cell lines, endogenous gene expression analysis\",\n      \"journal\": \"Mechanisms of development\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 3 / Moderate — co-transfection and overexpression in cell lines, but no direct binding or ChIP; two independent assays\",\n      \"pmids\": [\"11287187\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 1998,\n      \"finding\": \"SF-1/Ad4BP binds specific sites in the bovine StAR gene promoter (at -1190, and weakly at -240) as shown by EMSA with nuclear proteins and in vitro transcribed/translated SF-1/Ad4BP; transfection assays showed SF-1/Ad4BP activates the bovine StAR promoter preferentially through proximal elements (-100 and -240), with a small cAMP/PKA-dependent increase.\",\n      \"method\": \"EMSA, heterologous transfection of StAR promoter-reporter constructs, cotransfection with SF-1/Ad4BP expression vector and constitutive PKA\",\n      \"journal\": \"Journal of molecular endocrinology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 1-2 / Weak — EMSA with in vitro protein plus transfection assays, but discrepancy between EMSA and transfection results noted in paper; single lab\",\n      \"pmids\": [\"9801462\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2005,\n      \"finding\": \"A ventromedial hypothalamic nucleus (VMH)-specific enhancer for Ad4BP/SF-1 gene expression was identified in intron 6 of the mouse Ad4BP/SF-1 gene; the enhancer is conserved in mouse, human, and chick; ATTA motifs (homeobox protein binding elements) within the activating element are required for enhancer activity, as shown by transgenic mouse assays and EMSA with hypothalamic nuclear extracts.\",\n      \"method\": \"Transgenic mouse reporter (lacZ) assays, site-directed mutagenesis, EMSA with hypothalamic nuclear extracts\",\n      \"journal\": \"Molecular endocrinology (Baltimore, Md.)\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — in vivo transgenic reporter with mutagenesis and EMSA; single lab but multiple orthogonal methods\",\n      \"pmids\": [\"15994202\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2011,\n      \"finding\": \"A fetal Leydig cell-specific enhancer was identified in the upstream region of the mouse Ad4BP/SF-1 gene; the enhancer contains an Ad4BP/SF-1 binding sequence (required for autoregulatory loop) and an E-box; mutation of either sequence abolished enhancer activity in transgenic mouse assays, indicating Leydig cell-specific Ad4BP/SF-1 expression requires both an unidentified E-box binding protein and SF-1 autoregulation.\",\n      \"method\": \"Transgenic mouse reporter assay, site-directed mutagenesis of Ad4 and E-box sites, comparative genomics\",\n      \"journal\": \"Endocrinology\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 / Moderate — in vivo transgenic assay with mutagenesis; single lab\",\n      \"pmids\": [\"22128023\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"NR5A1/SF-1/Ad4BP is a zinc finger orphan nuclear receptor that directly binds Ad4/SF-1 cis-elements in promoters of steroidogenic P-450 genes (CYP11A, CYP11B, StAR, aromatase), MIS, DAX-1, SOX9 (TESCO enhancer), TLX1, and glycolytic and cholesterogenic gene sets to activate or repress transcription; its transcriptional activity is modulated by SUMO-1 modification at K119/K194 (written by Ubc9/PIAS1/PIAS3), which recruits the ARIP4 chromatin remodeler to suppress synergistic transcription, while DAX-1 represses SF-1 via direct protein-protein interaction through LXXLL-related motifs with the SF-1 ligand-binding domain; SF-1 gene expression itself is controlled by a two-step mechanism—initiation by a Hox-Pbx1-Prep1 complex at a fetal adrenal enhancer and maintenance by an SF-1 autoregulatory loop—with tissue-specific enhancers also directing expression in VMH and fetal Leydig cells; in addition to its nuclear transcriptional role, SF-1 localizes to centrosomes and maintains centrosome homeostasis and genomic stability through a non-transcriptional mechanism; SF-1 is required in the VMH for exercise-induced metabolic benefits and in Sertoli cells for post-sex-determination survival via the MDM2/TP53 pathway, and in prenatal ovaries for primordial follicle reserve formation by suppressing Notch signaling and maintaining laminin matrix integrity.\"\n}\n```","stage2_raw":"{\n  \"mechanistic_narrative\": \"NR5A1 (Ad4BP/SF-1) is a zinc finger orphan nuclear receptor that binds Ad4/SF-1 cis-elements through a DNA-binding domain and a ligand-binding/dimerization domain homologous to the steroid receptor superfamily, acting as the master transcriptional regulator of steroidogenic cell identity and endocrine organ development [#0]. It directly drives steroidogenic gene expression in a cell-type-specific manner, activating the steroidogenic P-450 genes CYP11A and CYP11B [#1], the cholesterol-mobilizing genes STAR and CYP11A1 [#18, #22], and coordinating cholesterogenic and glycolytic gene programs genome-wide so that housekeeping cholesterol synthesis and energy metabolism are matched to cell-specific steroid output [#12, #15]. Beyond steroidogenesis, SF-1 directly governs developmental targets including Mullerian Inhibiting Substance [#3], the orphan receptor DAX-1 [#4], the spleen-determination factor TLX1, and the SOX9 TESCO testis enhancer—activities that map to functionally separable domains [#14, #16]. Its transcriptional output is tuned by SUMO-1 conjugation at K119/K194, which—within the synergy control motif—represses synergistic transcription and recruits the SNF2 chromatin remodeler ARIP4 to transiently suppress target genes, while the SUMO machinery components Ubc9 and PIAS1 additionally serve as sumoylation-independent coactivators [#6, #8, #10]; DAX-1 represses SF-1 through direct LXXLL-mediated contact with its ligand-binding domain [#5]. SF-1 expression is itself controlled in two steps, initiated by a Hox-Pbx1-Prep1 complex at a fetal adrenal enhancer and maintained by an autoregulatory loop, with dedicated tissue-specific enhancers directing VMH and fetal Leydig cell expression [#7, #23, #24]. In vivo, SF-1 is required for Sertoli cell survival via the MDM2/TP53 axis [#13], for ovarian primordial follicle reserve formation through suppression of Notch signaling and laminin matrix maintenance [#19], and in VMH neurons for the metabolic benefits of exercise [#17]. Distinct from its nuclear role, SF-1 localizes to centrosomes and maintains centrosome homeostasis and genomic stability through a transcription-independent mechanism, as shown by a transcription-defective mutant that still rescues centrosome amplification [#9].\",\n  \"teleology\": [\n    {\n      \"year\": 1993,\n      \"claim\": \"Established the molecular identity of the factor controlling steroidogenic gene transcription—answering what protein binds the Ad4 cis-element and whether it can activate transcription.\",\n      \"evidence\": \"Protein purification from bovine adrenal nuclear extract, cDNA cloning, and reporter assay in CV-1 cells\",\n      \"pmids\": [\"8463279\", \"8247022\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Endogenous ligand undefined\", \"In vivo necessity not yet shown by genetics\"]\n    },\n    {\n      \"year\": 1994,\n      \"claim\": \"Resolved that the same Ftz-F1 locus encodes multiple isoforms with opposing activities, showing that DNA-binding strength and isoform structure tune SF-1 output.\",\n      \"evidence\": \"EMSA with in vitro synthesized proteins and reporter assays distinguishing ELP/ELP1 from Ad4BP\",\n      \"pmids\": [\"8058072\", \"8543574\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Physiological abundance and tissue distribution of repressor isoforms unquantified\"]\n    },\n    {\n      \"year\": 1997,\n      \"claim\": \"Demonstrated in vivo that SF-1 is a required activator of a developmental target gene (MIS), extending it beyond steroidogenic enzymes into sex differentiation.\",\n      \"evidence\": \"Transgenic mouse MIS-reporter assay with SF-1 binding-site mutagenesis\",\n      \"pmids\": [\"9165127\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Cofactors required for Sertoli-specific activation not defined\"]\n    },\n    {\n      \"year\": 1999,\n      \"claim\": \"Showed SF-1 directly regulates DAX-1, defining a transcriptional node in the gonadal/adrenal regulatory network.\",\n      \"evidence\": \"EMSA, reporter assay, and Ftz-f1 knockout mouse expression analysis\",\n      \"pmids\": [\"10446902\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Direct promoter occupancy in vivo by ChIP not shown\"]\n    },\n    {\n      \"year\": 2003,\n      \"claim\": \"Defined the structural basis of negative feedback—how DAX-1 antagonizes SF-1—identifying LXXLL-motif contacts with the SF-1 ligand-binding domain.\",\n      \"evidence\": \"Yeast two-hybrid, in vitro pull-down, reporter assays with motif mutagenesis\",\n      \"pmids\": [\"12482977\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Structural model of the SF-1 LBD/DAX-1 interface not solved\"]\n    },\n    {\n      \"year\": 2004,\n      \"claim\": \"Established post-translational control of SF-1 by SUMO-1, showing sumoylation at the synergy control motif represses multi-site synergistic transcription without altering DNA binding.\",\n      \"evidence\": \"In vitro and cellular sumoylation assays, K194R mutagenesis, reporter assays\",\n      \"pmids\": [\"15192080\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Physiological signals controlling SF-1 sumoylation dynamics unknown\"]\n    },\n    {\n      \"year\": 2006,\n      \"claim\": \"Resolved how SF-1 expression itself is established and sustained, defining a two-step Hox-Pbx1-Prep1 initiation plus SF-1 autoregulatory maintenance mechanism at the fetal adrenal enhancer.\",\n      \"evidence\": \"Transgenic FAdE-lacZ reporters with binding-site mutagenesis and RT-PCR\",\n      \"pmids\": [\"16705164\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Identity of factors triggering the initiation-to-maintenance switch unclear\"]\n    },\n    {\n      \"year\": 2009,\n      \"claim\": \"Connected SF-1 sumoylation to chromatin remodeling, showing sumoylated SF-1 recruits and stimulates the ATPase ARIP4 to transiently suppress target genes.\",\n      \"evidence\": \"Affinity purification, SIM mapping, ATPase assay, ChIP, and siRNA knockdown\",\n      \"pmids\": [\"19692572\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Genome-wide scope of ARIP4-mediated repression not mapped\"]\n    },\n    {\n      \"year\": 2011,\n      \"claim\": \"Revealed a transcription-independent function of SF-1 at the centrosome safeguarding genomic stability, dissected by a transcription-defective mutant that still rescues centrosome amplification.\",\n      \"evidence\": \"Immunofluorescence/fractionation, shRNA depletion, centrosome assays, G35E rescue\",\n      \"pmids\": [\"21566663\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Centrosomal binding partners and mechanism of duplication control unknown\"]\n    },\n    {\n      \"year\": 2011,\n      \"claim\": \"Broadened the SF-1 regulon, establishing that it directly controls glycolytic genes and additional adrenal targets (SOAT1), coupling metabolic capacity to steroidogenesis.\",\n      \"evidence\": \"ChIP-seq, siRNA knockdown with ATP/NADPH readouts, and bidirectional manipulation in adrenocortical cells\",\n      \"pmids\": [\"24727981\", \"21239516\", \"21467194\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\"Direct binding for some targets (e.g. SOAT1) inferred from expression, not ChIP\"]\n    },\n    {\n      \"year\": 2014,\n      \"claim\": \"Showed SF-1 activities are functionally separable across organs, regulating TLX1 for spleen development independently of SOX9/TESCO synergy, and required in Sertoli cells via the MDM2/TP53 survival axis.\",\n      \"evidence\": \"Patient-mutation transactivation assays and Sertoli-specific Amh-Cre conditional knockout with apoptosis/MDM2-TP53 analysis\",\n      \"pmids\": [\"24905461\", \"30872705\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Direct transcriptional regulation of MDM2 by NR5A1 not proven by ChIP/reporter\", \"Domain basis for target selectivity not structurally defined\"]\n    },\n    {\n      \"year\": 2018,\n      \"claim\": \"Linked patient SF-1 mutations to impaired TESCO activation and aberrant localization, and expanded the regulon to cholesterogenic genes coordinating cholesterol supply with steroidogenesis.\",\n      \"evidence\": \"Reporter assays and localization on 20 patient mutants; ChIP-seq and knockdown for cholesterogenic targets\",\n      \"pmids\": [\"30067310\", \"30271905\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Structural consequences of mutations modeled in silico only\", \"Hummr role in cholesterol transport not directly validated\"]\n    },\n    {\n      \"year\": 2023,\n      \"claim\": \"Defined organ-level developmental roles in vivo—VMH neuronal control of exercise metabolism and prenatal ovarian primordial follicle reserve formation via Notch suppression and laminin matrix integrity.\",\n      \"evidence\": \"VMH-specific and prenatal ovary conditional knockouts with metabolic phenotyping, histology, and transcriptomics\",\n      \"pmids\": [\"27874828\", \"37494420\", \"27455990\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"Mechanistic link from SF-1 to PGC-1\\u03b1 induction not established\", \"Direct SF-1 targets mediating Notch/laminin effects unidentified\"]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"The endogenous ligand (if any) regulating SF-1 ligand-binding-domain activity and the integration of its nuclear versus centrosomal functions remain undefined.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\"No physiological ligand established in the corpus\", \"How a single protein partitions transcriptional and centrosomal roles is unresolved\"]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [\n      {\"term_id\": \"GO:0140110\", \"supporting_discovery_ids\": [0, 1, 3, 4, 12]},\n      {\"term_id\": \"GO:0003677\", \"supporting_discovery_ids\": [0, 2, 22]}\n    ],\n    \"localization\": [\n      {\"term_id\": \"GO:0005634\", \"supporting_discovery_ids\": [0, 9]},\n      {\"term_id\": \"GO:0005815\", \"supporting_discovery_ids\": [9]}\n    ],\n    \"pathway\": [\n      {\"term_id\": \"GO:0140110\", \"supporting_discovery_ids\": [0]}\n    ],\n    \"complexes\": [],\n    \"partners\": [\"DAX-1\", \"ARIP4\", \"Ubc9\", \"PIAS1\", \"PIAS3\", \"SOX9\"],\n    \"other_free_text\": []\n  }\n}","audit_flag":null,"evaluation":{"pairwise":"win","faith_supported":7,"faith_total":7,"faith_pct":100.0}}