{"gene":"BOLA1","run_date":"2026-04-28T17:12:38","timeline":{"discoveries":[{"year":2012,"finding":"BOLA1 localizes to mitochondria and interacts with the mitochondrial monothiol glutaredoxin GLRX5; overexpression of BOLA1 prevents BSO- and S-nitrosocysteine-induced mitochondrial morphology changes, while knockdown increases oxidation of mitochondrial thiol groups, establishing a role in regulating mitochondrial thiol redox potential.","method":"GFP-fusion localization, Co-IP (BOLA1–GLRX5 interaction), RNAi knockdown with redox phenotype readout, overexpression rescue experiments","journal":"Antioxidants & redox signaling","confidence":"Medium","confidence_rationale":"Tier 2 — reciprocal interaction, clean KD/OE with defined cellular phenotype; single lab","pmids":["22746225"],"is_preprint":false},{"year":2017,"finding":"Human mitochondrial BOLA1 forms a [2Fe-2S] cluster-bridged heterodimeric complex with GRX5 that coordinates a reduced, Rieske-type [2Fe-2S]1+ cluster, distinct from the oxidized ferredoxin-like [2Fe-2S]2+ cluster in the BOLA3-GRX5 complex; the BOLA1-GRX5 complex is preferentially formed over BOLA3-GRX5 due to higher cluster binding affinity.","method":"UV/vis, CD, EPR, NMR spectroscopy, computational protein-protein docking, in vitro reconstitution","journal":"Biochimica et biophysica acta. General subjects","confidence":"High","confidence_rationale":"Tier 1 — multiple orthogonal spectroscopic methods with in vitro reconstitution in a single rigorous study","pmids":["28483642"],"is_preprint":false},{"year":2014,"finding":"Structural analysis of BolA-glutaredoxin complexes revealed that BolA1 (BolA_H group) uses a histidine residue in the variable loop to coordinate a Rieske-type [2Fe-2S] cluster in the GrxS14-BolA1 holo-heterodimer; apoprotein NMR interaction experiments showed a distinct heterodimer interface involving the nucleic-acid-binding site of BolA and the C-terminal tail of Grx.","method":"X-ray crystallography (3 BolA structures solved), 3D modeling, CD/EPR spectroscopic analysis, NMR interaction experiments","journal":"The Journal of biological chemistry","confidence":"High","confidence_rationale":"Tier 1 — crystal structures combined with spectroscopic and NMR functional validation","pmids":["25012657"],"is_preprint":false},{"year":2020,"finding":"The [2Fe-2S]-bridged BOLA1-GLRX5 heterodimer can receive its cluster from donors ISCU or [2Fe-2S](GS)4 but not from ISCA1 or ISCA2; once formed, the holo-heterodimer cannot donate the cluster to apo-protein acceptors, supporting a non-trafficking (redox) role. A BOLA1 homodimer can also form a [2Fe-2S]-bridged complex and does show facile cluster exchange, unlike the heterodimer.","method":"CD spectroscopy-based kinetic assays, in vitro cluster transfer experiments with defined donor/acceptor proteins","journal":"The FEBS journal","confidence":"High","confidence_rationale":"Tier 1 — detailed in vitro kinetic reconstitution with multiple donors/acceptors and mutagenesis-equivalent specificity controls","pmids":["32542995"],"is_preprint":false}],"current_model":"Human BOLA1 is a mitochondrial protein that forms a [2Fe-2S] cluster-bridged heterodimer with the monothiol glutaredoxin GLRX5, coordinating a Rieske-type [2Fe-2S]1+ cluster with high affinity; this complex cannot donate its cluster to downstream acceptors (supporting a redox-regulatory rather than iron-sulfur cluster trafficking role), and BOLA1 counterbalances oxidative shifts in the mitochondrial thiol redox potential, preventing GSH-depletion-induced mitochondrial morphology changes."},"narrative":{"teleology":[{"year":2012,"claim":"Establishing that BOLA1 functions in mitochondria and partners with GLRX5 resolved its subcellular context and revealed its role in maintaining mitochondrial thiol redox balance, previously uncharacterized for any human BolA-family member.","evidence":"GFP-fusion imaging, Co-IP of BOLA1–GLRX5, RNAi knockdown and overexpression with redox and morphology phenotype readouts in human cells","pmids":["22746225"],"confidence":"Medium","gaps":["Single-lab study; independent replication of the redox phenotype is lacking","Molecular basis of the BOLA1–GLRX5 interaction and any cluster coordination not yet determined","Downstream targets or pathways affected by mitochondrial thiol oxidation upon BOLA1 loss are undefined"]},{"year":2014,"claim":"Solving BolA crystal structures and demonstrating histidine-mediated Rieske-type [2Fe-2S] cluster coordination in the BolA1–Grx heterodimer provided the first atomic-level explanation for how BolA1 class proteins assemble iron-sulfur clusters distinctly from BolA3 class members.","evidence":"X-ray crystallography of three BolA structures, NMR interaction mapping of BolA–Grx interface, CD/EPR spectroscopy on holo-heterodimer (using plant/bacterial orthologs with relevance to human BOLA1)","pmids":["25012657"],"confidence":"High","gaps":["Structures are from non-human orthologs; human BOLA1–GLRX5 complex structure not yet solved","Functional significance of cluster redox state difference (Rieske vs. ferredoxin-like) in vivo is unknown"]},{"year":2017,"claim":"Spectroscopic characterization of the human BOLA1–GLRX5 complex confirmed it coordinates a reduced Rieske-type [2Fe-2S]1+ cluster with higher affinity than the BOLA3–GLRX5 complex, establishing functional divergence between the two paralog complexes.","evidence":"UV/vis, CD, EPR, and NMR spectroscopy with computational docking on recombinant human proteins reconstituted in vitro","pmids":["28483642"],"confidence":"High","gaps":["In vivo evidence for preferential BOLA1–GLRX5 vs. BOLA3–GLRX5 complex formation is absent","Biological consequences of the distinct cluster redox states remain untested in cells"]},{"year":2020,"claim":"Kinetic cluster transfer experiments showed the BOLA1–GLRX5 heterodimer receives its cluster from ISCU but cannot donate it to downstream acceptors, ruling out a trafficking role and supporting the model that BOLA1 functions as a redox sensor or regulator rather than an iron-sulfur cluster relay.","evidence":"CD spectroscopy-based kinetic assays with defined donor and acceptor proteins in vitro","pmids":["32542995"],"confidence":"High","gaps":["The precise redox-sensing or signaling output of the stable holo-heterodimer is unknown","The functional role of the BOLA1 homodimer, which does show cluster exchange, is uncharacterized in vivo","No in vivo validation of cluster transfer directionality has been performed"]},{"year":null,"claim":"The specific downstream targets or signaling pathways through which the BOLA1–GLRX5 complex exerts its redox-regulatory function in mitochondria remain to be identified, and no in vivo structural data for the human complex exist.","evidence":"","pmids":[],"confidence":"High","gaps":["No in vivo structure of the human BOLA1–GLRX5 holo-complex","Downstream effectors or redox targets of BOLA1 function are unidentified","Physiological phenotypes of BOLA1 loss in animal models have not been reported"]}],"mechanism_profile":{"molecular_activity":[],"localization":[{"term_id":"GO:0005739","term_label":"mitochondrion","supporting_discovery_ids":[0]}],"pathway":[],"complexes":[],"partners":["GLRX5"],"other_free_text":[]},"mechanistic_narrative":"BOLA1 is a mitochondrial protein that forms a [2Fe-2S] cluster-bridged heterodimer with the monothiol glutaredoxin GLRX5, coordinating a reduced, Rieske-type [2Fe-2S]1+ cluster via a conserved histidine residue; this complex exhibits high cluster binding affinity and is preferentially formed over the BOLA3–GLRX5 complex [PMID:28483642, PMID:25012657]. The holo BOLA1–GLRX5 heterodimer can receive its [2Fe-2S] cluster from ISCU or [2Fe-2S](GS)4 but cannot donate it to downstream apo-protein acceptors, arguing against a cluster trafficking function and instead supporting a redox-regulatory role [PMID:32542995]. Consistent with this, BOLA1 knockdown increases oxidation of mitochondrial thiol groups, while its overexpression prevents glutathione-depletion-induced mitochondrial morphology changes, establishing BOLA1 as a regulator of mitochondrial thiol redox homeostasis [PMID:22746225]."},"prefetch_data":{"uniprot":{"accession":"Q9Y3E2","full_name":"BolA-like protein 1","aliases":["hBolA"],"length_aa":137,"mass_kda":14.3,"function":"Acts as a mitochondrial iron-sulfur (Fe-S) cluster assembly factor that facilitates (Fe-S) cluster insertion into a subset of mitochondrial proteins (By similarity). Probably acts together with the monothiol glutaredoxin GLRX5 (PubMed:27532772). May protect cells against oxidative stress (PubMed:22746225)","subcellular_location":"Mitochondrion","url":"https://www.uniprot.org/uniprotkb/Q9Y3E2/entry"},"depmap":{"release":"DepMap","has_data":true,"is_common_essential":false,"resolved_as":"","url":"https://depmap.org/portal/gene/BOLA1","classification":"Not Classified","n_dependent_lines":14,"n_total_lines":1208,"dependency_fraction":0.011589403973509934},"opencell":{"profiled":false,"resolved_as":"","ensg_id":"","cell_line_id":"","localizations":[],"interactors":[],"url":"https://opencell.sf.czbiohub.org/search/BOLA1","total_profiled":1310},"omim":[{"mim_id":"613183","title":"BOLA FAMILY MEMBER 3; BOLA3","url":"https://www.omim.org/entry/613183"},{"mim_id":"613182","title":"BOLA FAMILY MEMBER 2; BOLA2","url":"https://www.omim.org/entry/613182"},{"mim_id":"613181","title":"BOLA FAMILY MEMBER 1; BOLA1","url":"https://www.omim.org/entry/613181"}],"hpa":{"profiled":true,"resolved_as":"","reliability":"","locations":[],"tissue_specificity":"Low tissue specificity","tissue_distribution":"Detected in many","driving_tissues":[],"url":"https://www.proteinatlas.org/search/BOLA1"},"hgnc":{"alias_symbol":["CGI-143"],"prev_symbol":[]},"alphafold":{"accession":"Q9Y3E2","domains":[{"cath_id":"3.30.300.90","chopping":"52-117","consensus_level":"high","plddt":90.397,"start":52,"end":117}],"viewer_url":"https://alphafold.ebi.ac.uk/entry/Q9Y3E2","model_url":"https://alphafold.ebi.ac.uk/files/AF-Q9Y3E2-F1-model_v6.cif","pae_url":"https://alphafold.ebi.ac.uk/files/AF-Q9Y3E2-F1-predicted_aligned_error_v6.png","plddt_mean":76.94},"mouse_models":{"mgi_url":"https://www.informatics.jax.org/marker/summary?nomen=BOLA1","jax_strain_url":"https://www.jax.org/strain/search?query=BOLA1"},"sequence":{"accession":"Q9Y3E2","fasta_url":"https://rest.uniprot.org/uniprotkb/Q9Y3E2.fasta","uniprot_url":"https://www.uniprot.org/uniprotkb/Q9Y3E2/entry","alphafold_viewer_url":"https://alphafold.ebi.ac.uk/entry/Q9Y3E2"}},"corpus_meta":[{"pmid":"24203231","id":"PMC_24203231","title":"Monothiol glutaredoxin-BolA interactions: redox control of Arabidopsis thaliana BolA2 and SufE1.","date":"2013","source":"Molecular plant","url":"https://pubmed.ncbi.nlm.nih.gov/24203231","citation_count":66,"is_preprint":false},{"pmid":"28483642","id":"PMC_28483642","title":"Structural insights into the molecular function of human [2Fe-2S] BOLA1-GRX5 and [2Fe-2S] BOLA3-GRX5 complexes.","date":"2017","source":"Biochimica et biophysica acta. General subjects","url":"https://pubmed.ncbi.nlm.nih.gov/28483642","citation_count":44,"is_preprint":false},{"pmid":"22746225","id":"PMC_22746225","title":"BOLA1 is an aerobic protein that prevents mitochondrial morphology changes induced by glutathione depletion.","date":"2012","source":"Antioxidants & redox signaling","url":"https://pubmed.ncbi.nlm.nih.gov/22746225","citation_count":43,"is_preprint":false},{"pmid":"25012657","id":"PMC_25012657","title":"Structural and spectroscopic insights into BolA-glutaredoxin complexes.","date":"2014","source":"The Journal of biological chemistry","url":"https://pubmed.ncbi.nlm.nih.gov/25012657","citation_count":41,"is_preprint":false},{"pmid":"24775445","id":"PMC_24775445","title":"Use of \"one-pot, mix-and-read\" peptide-MHC class I tetramers and predictive algorithms to improve detection of cytotoxic T lymphocyte responses in cattle.","date":"2014","source":"Veterinary research","url":"https://pubmed.ncbi.nlm.nih.gov/24775445","citation_count":25,"is_preprint":false},{"pmid":"33023155","id":"PMC_33023155","title":"Systematic Surveys of Iron Homeostasis Mechanisms Reveal Ferritin Superfamily and Nucleotide Surveillance Regulation to be Modified by PINK1 Absence.","date":"2020","source":"Cells","url":"https://pubmed.ncbi.nlm.nih.gov/33023155","citation_count":18,"is_preprint":false},{"pmid":"26496773","id":"PMC_26496773","title":"A modern approach for epitope prediction: identification of foot-and-mouth disease virus peptides binding bovine leukocyte antigen (BoLA) class I molecules.","date":"2015","source":"Immunogenetics","url":"https://pubmed.ncbi.nlm.nih.gov/26496773","citation_count":16,"is_preprint":false},{"pmid":"37792908","id":"PMC_37792908","title":"Adaptation of the late ISC pathway in the anaerobic mitochondrial organelles of Giardia intestinalis.","date":"2023","source":"PLoS pathogens","url":"https://pubmed.ncbi.nlm.nih.gov/37792908","citation_count":8,"is_preprint":false},{"pmid":"32542995","id":"PMC_32542995","title":"Cluster exchange reactivity of [2Fe-2S]-bridged heterodimeric BOLA1-GLRX5.","date":"2020","source":"The FEBS journal","url":"https://pubmed.ncbi.nlm.nih.gov/32542995","citation_count":6,"is_preprint":false},{"pmid":"37454394","id":"PMC_37454394","title":"Self-Assembly, In Vitro Gene Transfection, and Antimicrobial Activity of Biodegradable Cationic Bolaamphiphiles.","date":"2023","source":"Langmuir : the ACS journal of surfaces and colloids","url":"https://pubmed.ncbi.nlm.nih.gov/37454394","citation_count":5,"is_preprint":false},{"pmid":"25789713","id":"PMC_25789713","title":"A method to discriminate between closely related bovine major histocompatibility complex class I alleles by combining established PCR-SSP assays with RFLPs.","date":"2015","source":"Tissue antigens","url":"https://pubmed.ncbi.nlm.nih.gov/25789713","citation_count":5,"is_preprint":false},{"pmid":"39510574","id":"PMC_39510574","title":"BOLA family genes are the drivers and potential biomarkers of survival in kidney renal clear cell carcinoma patients.","date":"2024","source":"Saudi medical journal","url":"https://pubmed.ncbi.nlm.nih.gov/39510574","citation_count":1,"is_preprint":false},{"pmid":"40697080","id":"PMC_40697080","title":"Multi-omics study of mitochondrial dysfunction in the pathogenesis of hyperuricemia.","date":"2025","source":"Renal failure","url":"https://pubmed.ncbi.nlm.nih.gov/40697080","citation_count":1,"is_preprint":false},{"pmid":"41107716","id":"PMC_41107716","title":"Causal effects and mediation pathways of circulating plasma proteins on osteoporosis: a two-sample and two-step Mendelian randomization study.","date":"2025","source":"Clinical 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zazhi","url":"https://pubmed.ncbi.nlm.nih.gov/41429525","citation_count":0,"is_preprint":false}],"cost":{"stage1":{"model":"claude-sonnet-4-6","input_tokens":10985,"output_tokens":1181,"usd":0.025335},"stage2":{"model":"claude-opus-4-6","input_tokens":4383,"output_tokens":1503,"usd":0.089235},"total_usd":0.11457,"stage1_batch_id":"msgbatch_01TqNM6p6FsoMBT2jzQTwKBr","stage2_batch_id":"msgbatch_01Ya473eco8sTHbvRymQaU8o","note":"batch pricing = 50% of standard"},"stage1_raw":"```json\n{\n  \"discoveries\": [\n    {\n      \"year\": 2012,\n      \"finding\": \"BOLA1 localizes to mitochondria and interacts with the mitochondrial monothiol glutaredoxin GLRX5; overexpression of BOLA1 prevents BSO- and S-nitrosocysteine-induced mitochondrial morphology changes, while knockdown increases oxidation of mitochondrial thiol groups, establishing a role in regulating mitochondrial thiol redox potential.\",\n      \"method\": \"GFP-fusion localization, Co-IP (BOLA1–GLRX5 interaction), RNAi knockdown with redox phenotype readout, overexpression rescue experiments\",\n      \"journal\": \"Antioxidants & redox signaling\",\n      \"confidence\": \"Medium\",\n      \"confidence_rationale\": \"Tier 2 — reciprocal interaction, clean KD/OE with defined cellular phenotype; single lab\",\n      \"pmids\": [\"22746225\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2017,\n      \"finding\": \"Human mitochondrial BOLA1 forms a [2Fe-2S] cluster-bridged heterodimeric complex with GRX5 that coordinates a reduced, Rieske-type [2Fe-2S]1+ cluster, distinct from the oxidized ferredoxin-like [2Fe-2S]2+ cluster in the BOLA3-GRX5 complex; the BOLA1-GRX5 complex is preferentially formed over BOLA3-GRX5 due to higher cluster binding affinity.\",\n      \"method\": \"UV/vis, CD, EPR, NMR spectroscopy, computational protein-protein docking, in vitro reconstitution\",\n      \"journal\": \"Biochimica et biophysica acta. General subjects\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 — multiple orthogonal spectroscopic methods with in vitro reconstitution in a single rigorous study\",\n      \"pmids\": [\"28483642\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2014,\n      \"finding\": \"Structural analysis of BolA-glutaredoxin complexes revealed that BolA1 (BolA_H group) uses a histidine residue in the variable loop to coordinate a Rieske-type [2Fe-2S] cluster in the GrxS14-BolA1 holo-heterodimer; apoprotein NMR interaction experiments showed a distinct heterodimer interface involving the nucleic-acid-binding site of BolA and the C-terminal tail of Grx.\",\n      \"method\": \"X-ray crystallography (3 BolA structures solved), 3D modeling, CD/EPR spectroscopic analysis, NMR interaction experiments\",\n      \"journal\": \"The Journal of biological chemistry\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 — crystal structures combined with spectroscopic and NMR functional validation\",\n      \"pmids\": [\"25012657\"],\n      \"is_preprint\": false\n    },\n    {\n      \"year\": 2020,\n      \"finding\": \"The [2Fe-2S]-bridged BOLA1-GLRX5 heterodimer can receive its cluster from donors ISCU or [2Fe-2S](GS)4 but not from ISCA1 or ISCA2; once formed, the holo-heterodimer cannot donate the cluster to apo-protein acceptors, supporting a non-trafficking (redox) role. A BOLA1 homodimer can also form a [2Fe-2S]-bridged complex and does show facile cluster exchange, unlike the heterodimer.\",\n      \"method\": \"CD spectroscopy-based kinetic assays, in vitro cluster transfer experiments with defined donor/acceptor proteins\",\n      \"journal\": \"The FEBS journal\",\n      \"confidence\": \"High\",\n      \"confidence_rationale\": \"Tier 1 — detailed in vitro kinetic reconstitution with multiple donors/acceptors and mutagenesis-equivalent specificity controls\",\n      \"pmids\": [\"32542995\"],\n      \"is_preprint\": false\n    }\n  ],\n  \"current_model\": \"Human BOLA1 is a mitochondrial protein that forms a [2Fe-2S] cluster-bridged heterodimer with the monothiol glutaredoxin GLRX5, coordinating a Rieske-type [2Fe-2S]1+ cluster with high affinity; this complex cannot donate its cluster to downstream acceptors (supporting a redox-regulatory rather than iron-sulfur cluster trafficking role), and BOLA1 counterbalances oxidative shifts in the mitochondrial thiol redox potential, preventing GSH-depletion-induced mitochondrial morphology changes.\"\n}\n```","stage2_raw":"```json\n{\n  \"mechanistic_narrative\": \"BOLA1 is a mitochondrial protein that forms a [2Fe-2S] cluster-bridged heterodimer with the monothiol glutaredoxin GLRX5, coordinating a reduced, Rieske-type [2Fe-2S]1+ cluster via a conserved histidine residue; this complex exhibits high cluster binding affinity and is preferentially formed over the BOLA3–GLRX5 complex [PMID:28483642, PMID:25012657]. The holo BOLA1–GLRX5 heterodimer can receive its [2Fe-2S] cluster from ISCU or [2Fe-2S](GS)4 but cannot donate it to downstream apo-protein acceptors, arguing against a cluster trafficking function and instead supporting a redox-regulatory role [PMID:32542995]. Consistent with this, BOLA1 knockdown increases oxidation of mitochondrial thiol groups, while its overexpression prevents glutathione-depletion-induced mitochondrial morphology changes, establishing BOLA1 as a regulator of mitochondrial thiol redox homeostasis [PMID:22746225].\",\n  \"teleology\": [\n    {\n      \"year\": 2012,\n      \"claim\": \"Establishing that BOLA1 functions in mitochondria and partners with GLRX5 resolved its subcellular context and revealed its role in maintaining mitochondrial thiol redox balance, previously uncharacterized for any human BolA-family member.\",\n      \"evidence\": \"GFP-fusion imaging, Co-IP of BOLA1–GLRX5, RNAi knockdown and overexpression with redox and morphology phenotype readouts in human cells\",\n      \"pmids\": [\"22746225\"],\n      \"confidence\": \"Medium\",\n      \"gaps\": [\n        \"Single-lab study; independent replication of the redox phenotype is lacking\",\n        \"Molecular basis of the BOLA1–GLRX5 interaction and any cluster coordination not yet determined\",\n        \"Downstream targets or pathways affected by mitochondrial thiol oxidation upon BOLA1 loss are undefined\"\n      ]\n    },\n    {\n      \"year\": 2014,\n      \"claim\": \"Solving BolA crystal structures and demonstrating histidine-mediated Rieske-type [2Fe-2S] cluster coordination in the BolA1–Grx heterodimer provided the first atomic-level explanation for how BolA1 class proteins assemble iron-sulfur clusters distinctly from BolA3 class members.\",\n      \"evidence\": \"X-ray crystallography of three BolA structures, NMR interaction mapping of BolA–Grx interface, CD/EPR spectroscopy on holo-heterodimer (using plant/bacterial orthologs with relevance to human BOLA1)\",\n      \"pmids\": [\"25012657\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"Structures are from non-human orthologs; human BOLA1–GLRX5 complex structure not yet solved\",\n        \"Functional significance of cluster redox state difference (Rieske vs. ferredoxin-like) in vivo is unknown\"\n      ]\n    },\n    {\n      \"year\": 2017,\n      \"claim\": \"Spectroscopic characterization of the human BOLA1–GLRX5 complex confirmed it coordinates a reduced Rieske-type [2Fe-2S]1+ cluster with higher affinity than the BOLA3–GLRX5 complex, establishing functional divergence between the two paralog complexes.\",\n      \"evidence\": \"UV/vis, CD, EPR, and NMR spectroscopy with computational docking on recombinant human proteins reconstituted in vitro\",\n      \"pmids\": [\"28483642\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"In vivo evidence for preferential BOLA1–GLRX5 vs. BOLA3–GLRX5 complex formation is absent\",\n        \"Biological consequences of the distinct cluster redox states remain untested in cells\"\n      ]\n    },\n    {\n      \"year\": 2020,\n      \"claim\": \"Kinetic cluster transfer experiments showed the BOLA1–GLRX5 heterodimer receives its cluster from ISCU but cannot donate it to downstream acceptors, ruling out a trafficking role and supporting the model that BOLA1 functions as a redox sensor or regulator rather than an iron-sulfur cluster relay.\",\n      \"evidence\": \"CD spectroscopy-based kinetic assays with defined donor and acceptor proteins in vitro\",\n      \"pmids\": [\"32542995\"],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"The precise redox-sensing or signaling output of the stable holo-heterodimer is unknown\",\n        \"The functional role of the BOLA1 homodimer, which does show cluster exchange, is uncharacterized in vivo\",\n        \"No in vivo validation of cluster transfer directionality has been performed\"\n      ]\n    },\n    {\n      \"year\": null,\n      \"claim\": \"The specific downstream targets or signaling pathways through which the BOLA1–GLRX5 complex exerts its redox-regulatory function in mitochondria remain to be identified, and no in vivo structural data for the human complex exist.\",\n      \"evidence\": \"\",\n      \"pmids\": [],\n      \"confidence\": \"High\",\n      \"gaps\": [\n        \"No in vivo structure of the human BOLA1–GLRX5 holo-complex\",\n        \"Downstream effectors or redox targets of BOLA1 function are unidentified\",\n        \"Physiological phenotypes of BOLA1 loss in animal models have not been reported\"\n      ]\n    }\n  ],\n  \"mechanism_profile\": {\n    \"molecular_activity\": [],\n    \"localization\": [\n      {\"term_id\": \"GO:0005739\", \"supporting_discovery_ids\": [0]}\n    ],\n    \"pathway\": [],\n    \"complexes\": [],\n    \"partners\": [\"GLRX5\"],\n    \"other_free_text\": []\n  }\n}\n```"}