| 1992 |
NCK1 (Nck) SH2 domain mediates association with tyrosine-autophosphorylated PDGF and EGF receptors in response to ligand activation; Nck is phosphorylated on tyrosine, serine, and threonine residues upon growth factor stimulation; ~5-fold overexpression of Nck in NIH 3T3 cells induces oncogenic foci formation. |
Co-immunoprecipitation with anti-Nck antibodies, in vitro binding with GST-Nck fusion protein, NIH 3T3 focus formation assay |
Molecular and cellular biology |
High |
1333047
|
| 1992 |
Overexpression of NCK1 in 3Y1 rat fibroblasts causes transformation (altered morphology, soft agar colony formation, tumor formation in nude mice) without detectable elevation of phosphotyrosine levels; GST-Nck binds p60v-src and serine/threonine kinases from cell lysates. |
Soft agar colony formation, tumor formation in nude mice, GST fusion protein pulldown, Western blot |
Molecular and cellular biology |
High |
1280326
|
| 1995 |
The C-terminal (third) SH3 domain of NCK1 (p47nck) specifically interacts with WASP (Wiskott-Aldrich syndrome protein) in vivo and in vitro; WASP is mainly cytosolic. |
Yeast two-hybrid/cDNA expression library screen, in vitro and in vivo binding assays, subcellular fractionation, Western blot |
Molecular and cellular biology |
High |
7565724
|
| 1996 |
NCK1 binds PAK1 through its second SH3 domain; PAK1 interacts with Nck via its first N-terminal proline-rich SH3-binding motif; the Nck–PAK1 interaction is strengthened upon PDGF receptor stimulation; active PAK1 association with Nck leads to phosphorylation of Nck at multiple sites. |
Co-immunoprecipitation in COS-7 and Swiss 3T3 cells, in vitro binding, domain-mapping with individual SH3 domain constructs |
The Journal of biological chemistry |
High |
8824201
|
| 1996 |
NCK1 SH2 domain recruits Nck to activated EGF and PDGF receptors; Nck second SH3 domain binds PAK1 proline-rich N-terminus; Nck–PAK1 interaction links receptor tyrosine kinases to PAK1 and enhances PAK1 kinase activity when Nck is co-transfected. |
Co-immunoprecipitation in living cells, domain mapping, kinase activity assay, co-transfection in HeLa cells |
The Journal of biological chemistry |
High |
8798379
|
| 1998 |
NCK1 SH2 domain binds phosphorylated juxtamembrane Tyr594 of EphB1 receptor; Nck recruitment to EphB1 is required for downstream JNK/SAPK activation and cell attachment responses. |
Yeast two-hybrid screen, co-immunoprecipitation of native receptor complexes, site-directed mutagenesis (Y594F), JNK activity assay |
The Journal of biological chemistry |
High |
9430661
|
| 1998 |
NCK1 and PAK1 form a signaling module downstream of TCR activation; this module is required specifically for NFAT activation but not for JNK activation; Pak1 acts downstream of Vav and Cdc42; dominant-negative Nck or Pak1 inhibits TCR-mediated NFAT and Erk2 activation. |
Co-immunoprecipitation, dominant-negative overexpression, NFAT luciferase reporter assay, kinase activity assay in T cells |
The EMBO journal |
High |
9755165
|
| 2000 |
NCK1 second SH3 domain binds an 18-mer PAK-derived peptide containing the motif PXXPXRXXS; serine phosphorylation within this motif negatively regulates NCK1-PAK1 binding; PAK autophosphorylation blocks binding of both Nck and PIX to PAK1, providing a mechanism to regulate PAK interactions and its cycling between cytosolic and focal complex sites. |
Saturation substitution binding analysis, in vitro binding assays with peptides and full-length proteins, phosphorylation assays |
Molecular and cellular biology |
High |
10805734
|
| 2000 |
Nck-interacting kinase (NIK) is activated by EphB1 and EphB2 receptors in a manner requiring EphB1 kinase activity and phosphorylation of juxtamembrane Tyr594; NIK activation through NCK1 is required for EphB1-mediated integrin activation and JNK activation; a complex of NIK/Nck, p62(dok), and RasGAP forms upon EphB receptor stimulation. |
Co-immunoprecipitation, kinase activity assays, dominant-negative experiments, integrin activation assay |
Molecular and cellular biology |
High |
10669731
|
| 2002 |
A 12-amino-acid sequence of EPEC Tir containing phospho-Tyr474 binds the host adaptor NCK1; NCK1 is recruited to actin pedestals of EPEC in a Y474 phosphorylation-dependent manner and is required for EPEC-induced actin signaling. |
Chimeric protein expression, in vivo binding assay, immunofluorescence localization of endogenous Nck to pedestals |
Molecular microbiology |
High |
11918809
|
| 2002 |
NCK1 SH3 domains interact directly with DCC (deleted in colorectal cancer) receptor, independent of the SH2 domain; this interaction mediates DCC/Nck-1 association with the actin cytoskeleton and is required for netrin-1-induced Rac1 activation and neurite outgrowth. |
Co-immunoprecipitation in commissural neurons, dominant-negative Nck-1 overexpression, Rac1 activation assay, neurite outgrowth assay |
The Journal of biological chemistry |
Medium |
12149262
|
| 2002 |
NCK1 SH3 domains interact with eIF2β; Nck is present in ribosomal fractions and its ribosomal localization is enhanced by insulin; overexpression of Nck-1 enhances both cap-dependent and -independent protein translation in a manner requiring the first and third SH3 domains; Nck-1 directly increases protein translation in vitro. |
Co-immunoprecipitation, cell fractionation/ribosomal enrichment, in vitro translation assay, domain mutants |
Proceedings of the National Academy of Sciences of the United States of America |
Medium |
11959995
|
| 2002 |
Grb2 and NCK1 act cooperatively to promote actin-based motility of vaccinia virus; Nck is recruited to viral particles via phospho-Tyr112 of A36R, whereas Grb2 is recruited via phospho-Tyr132; the Grb2 pathway requires prior Nck-mediated N-WASP recruitment. |
Immunofluorescence, phosphomutant constructs, actin tail counting, co-immunoprecipitation |
Current biology : CB |
High |
12007418
|
| 2004 |
ER-associated NCK1 represses ERK-1 activation under basal conditions; upon ER stress, this pool of Nck dissociates from ER membranes, allowing ERK-1 activation; Nck-null cells show stronger ERK-1 activation after ER stress correlating with enhanced cell survival. |
Immunoprecipitation of ER membranes, in vitro reconstitution with ER membranes, Nck-null fibroblasts, kinase assays |
Molecular biology of the cell |
Medium |
15201339
|
| 2006 |
Crystal structures of Nck1 and Nck2 SH2 domains in complex with phosphopeptides from EPEC Tir establish highly conserved phosphopeptide recognition; Nck1 and Nck2 SH2 domains have essentially indistinguishable binding specificities; GIT1 is confirmed experimentally as a new Nck binding partner. |
X-ray crystallography, phosphopeptide binding studies, sequential mutagenesis, pulldown assays |
The Journal of biological chemistry |
High |
16636066
|
| 2007 |
NCK1 nuclear accumulation (carried by SOCS7 via nuclear import/export signals) causes actin stress fiber disintegration and cell polarity loss; nuclear NCK1 is essential for cell-cycle arrest after DNA damage; the septin–SOCS7–NCK axis functions downstream of ATM/ATR and is required for p53 Ser15 phosphorylation. |
RNAi knockdown, cytoplasmic vs. nuclear NCK1 rescue constructs, live imaging, DNA damage assays, epistasis with ATM/ATR inhibitors, p53 phosphorylation immunoblot |
Cell |
High |
17803907
|
| 2007 |
NCK1 (and NCK2) are the most potent activators of WASP and N-WASP in vitro; Nck1/2 differentially regulate WASP vs. N-WASP (Nck is a more potent activator than Cdc42 or Rac1); in vitro actin nucleation assays with purified full-length proteins. |
In vitro actin nucleation assay with purified full-length WASP/N-WASP, Arp2/3 complex, and various activators |
Biochemistry |
High |
17302440
|
| 2008 |
NCK1 SH3.1 domain forms a complex with an atypical PxxDY motif at Tyr166 of CD3ε (non-ITAM-requiring interaction); Nck binding inhibits phosphorylation of the CD3ε ITAM by Fyn and Lck in vitro; Nck–CD3ε interaction downregulates TCR surface expression upon physiological stimulation. |
NMR structure of complex, in vitro kinase assay, flow cytometry for TCR surface expression in primary mouse lymphocytes |
Journal of molecular biology |
High |
18555270
|
| 2009 |
Src phosphorylates Tks5 at Y557, inducing direct association with NCK1 (and NCK2) SH2 domains in invadopodia; Tks5 mutants unable to bind Nck show reduced matrix degradation and inefficient actin recruitment; Nck1 depletion inhibits Src–Tks5-driven matrix proteolysis and actin assembly in invadopodia. |
Co-immunoprecipitation, site-directed mutagenesis of Y557, Nck1 siRNA knockdown, gelatin matrix degradation assay, immunofluorescence |
Journal of cell science |
High |
19596797
|
| 2009 |
NCK1 SH2 domain binds phospho-Tyr602 of EphA3 receptor; this interaction mediates EphA3-induced inhibition of cell migration and process retraction; dominant-negative Nck1 mutants lacking SH2 or SH3 domains partially alleviate EphA3-mediated inhibitory effects. |
Yeast two-hybrid, GST pulldown, co-immunoprecipitation, SH2 domain mutagenesis, cell migration assay |
Biochemistry |
Medium |
19505147
|
| 2009 |
NCK1 is essential for actin remodeling stimulated by PI(4,5)P2, and PI(4,5)P2 is necessary for NCK1-induced localized actin polymerization in vivo; Nck knockdown/knockout suppresses PI(4,5)P2-induced actin comets; Nck couples phosphotyrosine- and phosphoinositide-dependent signals to N-WASp/Arp2/3 actin polymerization. |
Nck siRNA knockdown, Nck-knockout cells, antibody-induced Nck aggregation, live-cell imaging of actin comets, PI(4,5)P2 manipulation with inositol 5-phosphatase |
Molecular cell |
High |
19917259
|
| 2010 |
Nck1 specifically localizes to invadopodia of metastatic mammary carcinoma cells but not to podosomes in macrophages or Src-transformed fibroblasts, establishing distinct upstream activators for invadopodia vs. podosomes. |
Confocal immunofluorescence microscopy of endogenous Nck1 in multiple cell types |
European journal of cell biology |
Medium |
20850195
|
| 2010 |
Nck1 deletion in obese mice attenuates hepatic IRE1α and JNK activation and IRS-1 phosphorylation at Ser307, improving glucose disposal and insulin signaling; siRNA knockdown of Nck1 in HepG2 cells decreases thapsigargin-induced IRE1α activation. |
Nck1−/− obese mice (in vivo), siRNA knockdown in HepG2 cells, kinase activation assays, glucose tolerance tests, insulin signaling (Akt phosphorylation) |
American journal of physiology. Endocrinology and metabolism |
High |
20587749
|
| 2012 |
The stoichiometry of NCK1-dependent actin polymerization through the N-WASp/Arp2/3 pathway is 4 Nck : 2 N-WASp : 1 Arp2/3; the density of Nck molecules in membrane aggregates is a critical determinant of localized actin polymerization. |
Computational modeling (Virtual Cell), antibody-induced aggregation of membrane-targeted Nck SH3 domains, quantitative fluorescence microscopy in living cells |
The Journal of cell biology |
High |
22613834
|
| 2013 |
NCK1 (and Nck2) is essential for front-back polarity, polarized membrane protrusion, and directional migration of endothelial cells; Nck depletion causes delocalized Cdc42/Rac activity and reduces RhoA activity and myosin II phosphorylation; Nck couples polarized protrusion formation with adhesion maturation via integrin α5β1-fibronectin interaction. |
siRNA knockdown, time-lapse DIC and TIRF microscopy, FRET imaging for Cdc42/Rac/RhoA activity, atomic force microscopy for adhesion force |
Journal of cell science |
High |
23444376
|
| 2013 |
NCK1 (but not Nck2) is a substrate of c-Cbl-mediated ubiquitination at the evolutionarily conserved Lys178; synaptopodin competes with c-Cbl for Nck1 binding, preventing Nck1 ubiquitination; c-Cbl knockdown restores Nck1 protein levels and stress fibers; NCK1-specific SH3 domain 2 drives RhoA activation and actin stress fiber formation. |
Ubiquitination assays, site-directed mutagenesis (K178R), co-immunoprecipitation, gene silencing (c-Cbl siRNA), RhoA activation assay, immunofluorescence for stress fibers |
Nature communications |
High |
24287595
|
| 2013 |
NCK1 SH2 domain binds phospho-Y561 in the PERK juxtamembrane domain; this interaction negatively regulates PERK activity (pY561PERK is an inhibitory site); Nck1 silencing in MIN6 cells accelerates pY561PERK dephosphorylation, enhances PERK activation, increases insulin biosynthesis and proinsulin content; Nck1-knockout mice pancreatic islets contain more insulin. |
Co-immunoprecipitation, site-directed mutagenesis (Y561F), siRNA in MIN6 cells, Nck1-KO mice, PERK phosphorylation kinetics, insulin/proinsulin content assays |
Molecular biology of the cell |
High |
24371088
|
| 2014 |
NCK1 is required for assembly of the cytoplasmic capping complex; capping enzyme (CE) binds Nck1 via its proline-rich C-terminus; CE and the 5'-kinase are juxtaposed by binding adjacent SH3 domains of Nck1; Nck1 knockdown disrupts complex integrity; cap homeostasis is inhibited by Nck1 with inactivating mutations in the CE- or kinase-binding SH3 domains. |
Co-immunoprecipitation, sedimentation, gel filtration, in vitro complex assembly on recombinant Nck1, siRNA knockdown, SH3-domain mutagenesis |
PLoS biology |
High |
25137142
|
| 2014 |
NCK1 SH3.1 domain binds the proline-rich sequence (PRS) of CD3ε when the first ITAM tyrosine is unphosphorylated; the SH2 domain simultaneously binds the second ITAM tyrosine when phosphorylated; cooperative two-site engagement is required for Nck1 binding to the TCR; SH3.1-mutated Nck1 impairs TCR signaling and T cell activation. |
In situ proximity ligation assay, co-purification, domain mutations, TCR signaling readouts in Jurkat T cells |
Journal of immunology |
High |
26590318
|
| 2014 |
NCK1 SH3.1 domain binding to the CD3ε PRS is required for T cell activation in vivo; KI-PRS mice with a mutation preventing Nck–CD3ε interaction show impaired CD3ζ phosphorylation, reduced T cell activation by antigen in vitro, partial protection from EAE, and deficient antitumoral response; a high-affinity SH3.1-blocking peptide inhibits T cell proliferation in vitro and in vivo. |
Knock-in mouse model, TCR signaling assays (CD3ζ phosphorylation), EAE model, peptide inhibitor in vivo |
Journal of immunology |
High |
24470497
|
| 2015 |
NCK1 and NCK2 inactivation in endothelial cells inhibits Cdc42 and PAK2 activation by VEGF-A and Slit2, preventing front-rear polarity; NCK1/2 binding to ROBO1 is required for both Slit2- and VEGF-induced front-rear polarity; endothelial-specific Nck1/2 deletion causes severe angiogenesis defects in postnatal retina and embryonic development. |
Inducible endothelial-specific Nck1/2 knockout mice, Cdc42/PAK2 activation assays, co-immunoprecipitation of NCK with ROBO1, retinal and embryonic vascular phenotyping |
Circulation |
High |
26659946
|
| 2015 |
NCK1 (and NCK2) in osteoblasts regulates preosteoblast/osteoblast migration toward IGF1; Nck1 binds IRS-1 (by co-immunoprecipitation); conditional double deletion of Nck1/2 in osteoblasts causes osteopenia, suppresses bone formation rate in vivo, and impairs bone injury repair, without affecting bone resorption. |
shRNA knockdown, Nck1 overexpression, co-immunoprecipitation (Nck1/IRS-1), osteoblast-specific conditional KO mice, in vivo bone histomorphometry, calvarial defect model |
Proceedings of the National Academy of Sciences of the United States of America |
High |
26621720
|
| 2018 |
NCK1 and NCK2 adaptors in pericytes inhibit PDGF-B-induced phosphorylation of PDGFRβ at Y1009 and PAK activation; inactivation of NCK1/2 in mural cells prevents pathological neovascular tuft formation and vascular leakage in oxygen-induced retinopathy model. |
Inducible mural cell-specific Nck1/2 knockout mice, PDGFRβ phosphorylation assay, PAK activation assay, oxygen-induced retinopathy model, lineage tracing |
Nature communications |
High |
30150707
|
| 2018 |
Proteomic analysis identifies 30 NCK1-specific and 28 NCK2-specific interactors; NCK2 (not NCK1) is required for cell abscission during cytokinesis—Nck2-deficient MEFs are multinucleated, show extended intercellular bridges, fail to complete abscission, and have altered midbody composition (mislocalized AURKB, PLK1, ECT2); NCK2 function in cytokinesis requires its SH2 domain. |
Affinity purification-MS, BioID proximity labeling, Nck1/Nck2-KO MEFs, live-cell time-lapse imaging of cytokinesis, immunofluorescence of midbody markers, SH2 domain mutants |
Molecular & cellular proteomics : MCP |
High |
30002203
|
| 2020 |
Only NCK1 (not NCK2) mediates disturbed flow-induced NF-κB activation in endothelial cells; NCK1 SH2 domain and first SH3 domain are required for this effect; IRAK-1 is identified as an NCK1-selective binding partner; disturbed flow-induced IRAK-1 activation requires NCK1 in vitro and in vivo; Nck1-knockout mice show reduced endothelial activation and atherosclerotic plaque formation. |
Nck1-KO and Nck2-KO mice, domain-swap and point-mutation experiments, co-immunoprecipitation (Nck1–IRAK1), NF-κB reporter assays, flow chamber experiments, high fat diet atherosclerosis model, bone marrow chimeras |
The Journal of clinical investigation |
High |
32427580
|
| 2019 |
NCK1 functions in a common pathway with TNK2 and WASL for picornavirus (EMCV, CVB3, poliovirus, EV-D68) entry/infection; CRISPR deletion of NCK1 reduces infection by multiple picornaviruses; genetic epistasis places NCK1, TNK2, and WASL in the same pathway for viral internalization. |
CRISPR deletion, viral infection assays, genetic epistasis analysis, EMCV internalization assay, mouse model (TNK2 KO) |
eLife |
High |
31769754
|
| 2011 |
NCK1 (Dock/Nck) forms a stable complex with PTP1B (PTP61F in Drosophila); this Nck/PTP1B complex inducibly associates with the insulin receptor; Nck is required for effective insulin receptor dephosphorylation and inactivation by PTP1B in mammalian cells. |
Co-immunoprecipitation, Drosophila genetic assays (PTP61F/Dock interaction), IR dephosphorylation assay in vitro and in vivo |
The Biochemical journal |
Medium |
21707536
|
| 2011 |
PAK1-Nck complex formation sequesters PAK1 in the cytoplasm; co-expression of PAK1 and NCK1 inhibits PRL-induced cyclin D1 promoter activity by 95%; disruption of PAK1-Nck binding partially abolishes this inhibition. |
Co-immunoprecipitation, cytoplasmic/nuclear fractionation, cyclin D1 luciferase reporter assay, dominant-negative and binding-deficient mutants |
Molecular endocrinology |
Medium |
21719533
|
| 1999 |
The third (C-terminal) SH3 domain of NCK1 specifically binds Sos; the third SH3 domain also binds dynamin (a GTP-binding protein involved in clathrin-coated vesicle formation); Nck and dynamin co-precipitate from cell lysates. |
GST fusion protein pulldown with individual SH3 domains, co-immunoprecipitation from K562 cells, protein identification by molecular mass |
Cellular signalling |
Medium |
10206341
|
| 1999 |
Tyrosine 351 of DokR (Dok-related protein) mediates binding to NCK1 SH2 domain; this interaction is dependent on DokR tyrosine phosphorylation by Lyn kinase; DokR–Nck complex forms upon EGF receptor activation. |
GST fusion protein binding assay, site-directed mutagenesis of DokR tyrosines, co-immunoprecipitation in 293T cells and BaF/3 cells |
The Journal of biological chemistry |
Medium |
10428862
|
| 2006 |
cGMP-dependent protein kinase (PKG) phosphorylates PAK1 at Ser21, causing release of NCK1 from PAK1 and promoting formation of a new PAK1-VASP complex; Ser21 phosphorylation of PAK1 regulates cell polarization and tail retraction, and cells expressing S21A-PAK1 show aberrant morphology when NCK/PAK binding is blocked. |
In vitro phosphorylation mapping, phosphospecific antibody, co-transfection assays, endothelial cell morphology assays, peptide-mediated disruption of Nck/PAK binding |
The Journal of biological chemistry |
Medium |
16490784
|
| 2013 |
NCK1 interacts with Cdc42 and the Rho-GEF intersectin-1 (ITSN1) to promote N-WASP-dependent actin polymerization during vaccinia virus actin tail formation and FcγR-mediated phagocytosis; ITSN1 is recruited prior to actin-based motility and functions with Cdc42 in a feed-forward loop with N-WASP and Nck. |
Immunofluorescence, siRNA knockdown, co-immunoprecipitation, phagocytosis assay, vaccinia actin tail assay |
Journal of cell science |
Medium |
24284073
|
| 2012 |
NCK1 is required for FcγR- but not CR3-mediated phagocytosis; Nck is recruited to phagocytic cups via phospho-Tyr282 and Tyr298 in the FcγR ITAM; Nck promotes phagocytosis by recruiting N-WASP and requires Cdc42 interaction with the N-WASP CRIB domain for efficient phagocytosis. |
Nck siRNA knockdown, FcγR phosphomutants (Y282F/Y298F), immunofluorescence of N-WASP/Cdc42 localization, phagocytosis assays |
Journal of cell science |
Medium |
22454526
|
| 2009 |
NCK1 (and Nck2) plays a non-compensating role in PDGF-BB-stimulated dermal fibroblast migration; Nckalpha mediates Cdc42 signaling for filopodium formation, while Nckbeta mediates Rho signaling for stress fiber induction; PDGFRβ-Y751F (preventing Nckalpha binding) and Y1009F (preventing Nckbeta binding) each abolish PDGF-BB-induced migration. |
PDGFRβ phosphosite mutants, Nck-KO MEFs, human dermal fibroblasts with siRNA, GTPase activation assays, cell migration assays |
The Journal of investigative dermatology |
High |
19242519
|