| 2002 |
WAVE1 exists in an inactive heterotetrameric complex with PIR121, Nap125, and HSPC300; Rac1 and Nck cause dissociation of this complex, releasing active WAVE1-HSPC300 and leading to actin nucleation through the Arp2/3 pathway. |
Biochemical reconstitution, purification of native complex, in vitro actin nucleation assay |
Nature |
High |
12181570
|
| 2001 |
Nck SH3 domains directly and dramatically stimulate actin nucleation by purified N-WASP in the presence of Arp2/3 in vitro; all three SH3 domains are required for maximal activation, and Nck and Cdc42 activate N-WASP by redundant mechanisms. |
In vitro actin nucleation assay with purified recombinant proteins, domain mutagenesis |
The Journal of biological chemistry |
High |
11340081
|
| 2001 |
EPEC Tir is phosphorylated on tyrosine 474, which directly binds Nck; Nck is required for recruitment of N-WASP and Arp2/3 to EPEC pedestals, directly linking Tir to actin cytoskeleton remodeling. Cells null for both Nck genes are resistant to EPEC-induced actin pedestal formation. |
Genetic null cells (Nck1/2 double knockout), co-immunoprecipitation, direct binding assay |
Nature cell biology |
High |
11533668
|
| 1995 |
Nck SH3 domains, particularly the C-terminal (third) SH3 domain, physically associate with WASP (Wiskott-Aldrich syndrome protein) in vivo and in vitro. |
In vivo and in vitro binding assays (GST pulldown, co-immunoprecipitation), domain mapping |
Molecular and cellular biology |
High |
7565724
|
| 1996 |
Nck binds PAK1 through its second SH3 domain; PAK1 interacts with Nck via the first proline-rich SH3-binding motif at its amino terminus. Association is constitutive but strengthened by PDGF receptor stimulation, and active PAK1 phosphorylates Nck at multiple sites. |
Co-immunoprecipitation in COS-7 and Swiss 3T3 cells, GST pulldown, domain mutagenesis, in vitro kinase assay |
The Journal of biological chemistry |
High |
8824201
|
| 1993 |
Nck SH2 domain binds tyrosine-phosphorylated IRS-1 in insulin-stimulated cells; Nck, Grb2, and p85 bind distinct phosphotyrosine residues on a single IRS-1 molecule. |
Co-immunoprecipitation in insulin-stimulated cells, in vitro SH2 binding assay with phosphopeptides |
Proceedings of the National Academy of Sciences of the United States of America |
High |
8265614
|
| 2007 |
Septin knockdown causes nuclear accumulation of NCK via SOCS7, which carries NCK into the nucleus through its nuclear import/export signals; nuclear NCK is responsible for actin stress fiber disintegration and cell cycle arrest. NCK is essential for p53 Ser15 phosphorylation downstream of ATM/ATR. |
siRNA knockdown, live-cell imaging, nuclear/cytoplasmic fractionation, rescue experiments with cytoplasmic vs nuclear NCK, co-immunoprecipitation |
Cell |
High |
17803907
|
| 2006 |
Nephrin ectodomain engagement induces Fyn kinase activity, which phosphorylates specific nephrin cytoplasmic tyrosine residues; phosphorylated nephrin recruits Nck (via its SH2 domain), and Nck-dependent actin filament assembly follows. |
Biochemical signaling assays, co-immunoprecipitation, dominant-negative/knockdown experiments |
The Journal of clinical investigation |
High |
16543952
|
| 2010 |
Cortactin tyrosines 421 and 466 (but not 482) are phosphorylated and required for Nck1 recruitment to invadopodia via its SH2 domain; Nck1 binding to phospho-cortactin is direct (in vitro pulldown) and FRET-confirmed in cells; this drives actin barbed-end generation and tumor cell invasion. |
In vitro direct binding assay, FRET in cells, site-directed mutagenesis, knockdown with invasion assay |
Journal of cell science |
High |
20971703
|
| 2003 |
Akt phosphorylates PAK1 at serine 21, which reduces Nck binding to PAK1; Nck normally binds PAK1 near serine 21, and disruption of this interaction (by Akt or a competing Tat-Nck peptide) releases PAK1 from focal adhesions and reduces Akt-stimulated cell migration. |
In vitro kinase assay, site-directed mutagenesis, co-immunoprecipitation, cell migration assay, GFP-tagged protein imaging |
Molecular and cellular biology |
High |
14585966
|
| 2008 |
Multiple phosphorylated YDXV motifs on nephrin recruit Nck via its SH2 domain cooperatively; multiple Nck SH3 domains act cooperatively to induce actin polymerization. YDXV/Nck signaling is a portable mechanism also used by EPEC Tir (molecular mimicry). |
Mutagenesis of nephrin pYDXV motifs and Nck SH3 domains, actin polymerization assay, co-immunoprecipitation |
Molecular and cellular biology |
High |
18212058
|
| 2015 |
A 50-residue linker between the first two SH3 domains of Nck promotes phase separation of Nck/N-WASP/nephrin assemblies through weak interactions with the second SH3 domain and positive charge; two linear motifs within the linker are critical for this effect. |
Phase separation assay with purified proteins, linker mutagenesis, biophysical characterization |
Proceedings of the National Academy of Sciences of the United States of America |
High |
26553976
|
| 2015 |
An inter-SH3 linker sequence within Nck (between SH3-1 and SH3-2) allosterically activates N-WASP by directly engaging the N-WASP GBD and competing with VCA binding, relieving autoinhibition to promote actin assembly. |
In vitro reconstitution of actin assembly with purified proteins, direct binding assay, mutagenesis of linker motifs |
Proceedings of the National Academy of Sciences of the United States of America |
High |
26554011
|
| 2013 |
WIP is recruited to vaccinia virus by binding the second SH3 domain of Nck; WIP bound to N-WASP acts as an essential link between Nck and N-WASP. The first and third SH3 domains of Nck are not needed for WIP:N-WASP recruitment but are essential to stimulate Arp2/3-dependent actin assembly. |
MEFs lacking Nck, WIP, or N-WASP; domain mutagenesis; live-cell imaging of vaccinia actin motility |
Current biology : CB |
High |
23707428
|
| 2006 |
Crystal structures of Nck1 and Nck2 SH2 domains in complex with EPEC Tir phosphopeptides show highly conserved, specific recognition of the pYDXV phosphopeptide motif; binding specificities of Nck1 and Nck2 SH2 domains are essentially indistinguishable. GIT1 was confirmed as a new Nck binding partner. |
X-ray crystallography, fluorescence polarization binding assays, phosphopeptide array |
The Journal of biological chemistry |
High |
16636066
|
| 2013 |
Nck1, but not Nck2, is ubiquitinated by c-Cbl at lysine 178, leading to proteasomal degradation; synaptopodin competes with c-Cbl for Nck1 binding, preventing this ubiquitination. Nck1 degradation modulates RhoA activation and actin stress fiber formation. |
Ubiquitination assay, site-directed mutagenesis (K178R), siRNA, co-immunoprecipitation, actin imaging |
Nature communications |
High |
24287595
|
| 2013 |
Nck binds directly to BCR component immunoglobulin-α at the non-ITAM phosphotyrosine at position 204; Nck recruits BCAP to sites of BCR signaling to modulate the PI(3)K-Akt pathway in B cells. Genetic ablation of Nck impairs BCR signaling, B cell survival, proliferation, and antibody responses. |
Direct binding assay, co-immunoprecipitation, conditional Nck knockout mice, B cell functional assays |
Nature immunology |
High |
23913047
|
| 1998 |
Nck is recruited to EphB1 (ELK) at the juxtamembrane Tyr594 upon ligand activation; Nck recruitment is required for JNK activation and cell attachment responses downstream of EphB1. |
Yeast two-hybrid cloning, co-immunoprecipitation, site-directed mutagenesis (Y594F), dominant-negative overexpression, JNK kinase assay |
The Journal of biological chemistry |
High |
9430661
|
| 1998 |
A Nck-Pak1 signaling module is required downstream of TCR activation for NFAT and Erk2 activation, but not JNK; TCR stimulation induces Nck tyrosine phosphorylation and Pak1 association with Nck; dominant-negative Nck or Pak1 specifically block NFAT activation. |
Co-immunoprecipitation, dominant-negative overexpression, kinase activity assay, reporter gene assay |
The EMBO journal |
High |
9755165
|
| 1992 |
Overexpression of human Nck (SH2-SH3 adaptor) transforms mammalian fibroblasts; Nck binds tyrosine-phosphorylated proteins and serine/threonine kinases through its SH2 and SH3 domains. |
Transformation assay (soft agar, nude mice), GST-Nck pulldown, phosphotyrosine binding assay |
Molecular and cellular biology |
High |
1280326
|
| 2002 |
Nck1 SH3 domains (not SH2) interact directly with DCC receptor constitutively in neurons; dominant-negative Nck1 inhibits DCC-induced neurite outgrowth and Rac1 activation in response to netrin-1. |
Co-immunoprecipitation, direct binding assay with isolated domains, dominant-negative expression, Rac1 GTP-loading assay |
The Journal of biological chemistry |
Medium |
12149262
|
| 1997 |
FAK-induced phosphorylation of p130cas promotes SH2 domain-dependent binding of Nck to p130cas in fibronectin-stimulated cells, facilitating signaling to ERK2. |
In vitro phosphorylation assay (FAK phosphorylates p130cas), co-immunoprecipitation with Src domain mutants, ERK2 activity assay |
Molecular and cellular biology |
High |
9032297
|
| 1997 |
A casein kinase I isoform (CKI-γ2) constitutively associates with Nck through its third SH3 domain in vivo; CKI-γ2 kinase activity co-immunoprecipitates with Nck in insulin receptor-overexpressing hepatocytes. |
Yeast two-hybrid, co-immunoprecipitation, in vitro renaturation kinase assay, far-western analysis |
The Journal of biological chemistry |
Medium |
9006905
|
| 2002 |
Nck's first and third SH3 domains interact with the β-subunit of eIF2 (eIF2β); Nck is present in ribosomal fractions and its association is enhanced by insulin; overexpression of Nck-1 enhances cap-dependent and cap-independent protein translation in cells and in vitro, requiring intact first and third SH3 domains. |
Co-immunoprecipitation, cell fractionation, in vitro translation assay, SH3 domain mutagenesis |
Proceedings of the National Academy of Sciences of the United States of America |
Medium |
11959995
|
| 1999 |
Nck SH2 domain mediates binding to tyrosine-phosphorylated SLP-76 at Y113 and Y128 in activated T cells; Nck also associates with Cbl (120 kDa) in T cell immunoprecipitates. |
Co-immunoprecipitation, in vitro SH2 binding assay with competing phosphopeptides |
European journal of immunology |
Medium |
10229072
|
| 2003 |
Nckβ SH2 domain binds Disabled 1 (Dab1) phosphorylated at Y220 (Reelin-regulated site) or Y232; Nckβ colocalizes with Dab1 in neurons, redistributes into neuronal processes upon Reelin stimulation, and cooperates with tyrosine-phosphorylated Dab1 to disrupt the actin cytoskeleton. |
Co-immunoprecipitation, SH2 binding assay, live-cell imaging in neurons, Drosophila genetic enhancement assay |
Molecular and cellular biology |
Medium |
14517291
|
| 2006 |
Src phosphorylates Tks5 at Y557; phospho-Tks5 directly associates with Nck1 and Nck2 SH2 domains at invadopodia. Tks5 mutants unable to bind Nck show reduced matrix degradation and actin recruitment; Nck1 depletion inhibits Src/Tks5-driven matrix proteolysis. |
In vitro direct binding assay, co-immunoprecipitation, siRNA knockdown, matrix degradation assay, live-cell imaging |
Journal of cell science |
High |
19596797
|
| 2012 |
Nck/N-WASp/Arp2/3 stoichiometry for actin polymerization is 4:2:1; the density of Nck molecules in membrane aggregates is the critical determinant of actin polymerization, as shown by quantitative live-cell microscopy and computational modeling. |
Antibody-induced membrane aggregation of Nck SH3 domains, quantitative fluorescence microscopy, computational modeling (Virtual Cell) |
The Journal of cell biology |
High |
22613834
|
| 2009 |
Nck is essential for actin remodeling stimulated by PI(4,5)P2; PI(4,5)P2 is reciprocally required for localized actin polymerization induced by Nck; PIP5K activity creates tyrosine-phosphorylated Nck SH2 binding partners, suggesting Nck couples phosphotyrosine and phosphoinositide signals. |
Nck knockdown/knockout, PIP5K overexpression, co-clustering experiments with inositol 5-phosphatase, actin comet assay |
Molecular cell |
High |
19917259
|
| 2012 |
Nck directly modulates nephrin tyrosine phosphorylation by forming a signaling complex with Fyn kinase via its SH3 domains; Nck SH3 domain mutations or Src kinase inhibition abrogate Nck's ability to enhance nephrin phosphorylation. In vivo loss of Nck in podocytes rapidly reduces nephrin phosphorylation. |
Co-immunoprecipitation, SH3 domain mutagenesis, pharmacological inhibition, conditional Nck knockout in podocytes |
The Journal of biological chemistry |
High |
23188823
|
| 2014 |
Nck1 SH3 domains 1 and 3 bind the proline-rich C-terminus of mammalian capping enzyme (CE); Nck1 serves as the scaffold for assembly of the cytoplasmic capping complex (CE + 5' kinase juxtaposed on adjacent Nck1 domains). Nck1 knockdown disrupts capping complex integrity; mutations inactivating each Nck1 SH3 domain inhibit cap homeostasis. |
Co-immunoprecipitation, in vitro reconstitution on recombinant Nck1, gel filtration/sedimentation, Nck1 knockdown, SH3 domain mutagenesis |
PLoS biology |
High |
25137142
|
| 2015 |
NCK1 and NCK2 are required for endothelial cell front-rear polarity and sprouting angiogenesis; NCK binding to ROBO1 is required for both Slit2- and VEGF-induced Cdc42 and Pak2 activation and front-rear polarity. Endothelial-specific Nck1/2 deletion in mice causes severe angiogenesis defects. |
Inducible endothelial-specific Nck1/2 conditional knockout mice, co-immunoprecipitation (NCK-ROBO1), Cdc42/Pak2 activation assays, retinal angiogenesis imaging |
Circulation |
High |
26659946
|
| 2014 |
NCK1 SH2 domain and first SH3 domain are critical for disturbed flow-induced NF-κB activation; NCK1 selectively binds IRAK-1 (not NCK2), and IRAK-1 activation by disturbed flow requires NCK1 in vitro and in vivo. NCK1 couples PECAM-1 tyrosine phosphorylation to PAK-mediated NF-κB activation. |
Domain-swap/point mutation experiments, co-immunoprecipitation (NCK1-IRAK-1), siRNA, Nck1-knockout mice, NF-κB reporter assay |
The Journal of clinical investigation |
High |
32427580
|
| 2018 |
Proteomic analysis identifies NCK1- and NCK2-specific interaction networks (98 proteins, 30 NCK1-specific, 28 NCK2-specific); NCK2, but not NCK1, is required for cytokinesis abscission—NCK2 loss causes multinucleation, extended intercellular bridges, and mislocalization of AURKB, PLK1, and ECT2 at the midbody. NCK2 function in cytokinesis requires its SH2 domain. |
Affinity purification-mass spectrometry, BioID proximity labeling, Nck1-/- and Nck2-/- MEFs, time-lapse microscopy, immunofluorescence |
Molecular & cellular proteomics : MCP |
High |
30002203
|
| 2002 |
Grb2 cooperates with Nck for actin-based vaccinia virus motility; Nck recruits N-WASP (via WIP) and is required for initial assembly of the actin-nucleating complex on vaccinia; Grb2 is recruited subsequently through the N-WASP polyproline region and stabilizes/activates the complex. Nck binds A36R pTyr112; Grb2 binds A36R pTyr132. |
Dominant-negative and knockout cell experiments, phosphomutant virus (A36R Y112F, Y132F), live-cell imaging of actin tails |
Current biology : CB |
High |
12007418
|
| 2006 |
Nck is recruited to the TCR complex through its SH3.1 domain binding to the proline-rich sequence (PRS) in CD3ε; disruption of this interaction (PRS knockin mutation or blocking peptide) impairs very early TCR signaling including CD3ζ phosphorylation and prevents efficient T cell activation in vitro and in vivo. |
Knockin mouse (KI-PRS), inhibitory peptide, T cell activation assays, phosphorylation analysis, autoimmune disease model |
Journal of immunology (Baltimore, Md. : 1950) |
High |
24470497
|
| 2012 |
SLP-76, Nck, and Vav1 form a trimolecular signaling complex at the T cell-APC interface; Nck and Vav1 are constitutively dimerized independently of T cell activation, and TCR stimulation-induced SLP-76 phosphorylation enables Nck binding. The Nck-Vav1 dimer (via Nck SH3-Vav1 proline-rich interaction) is critical for actin rearrangement. |
Triple-color FRET in live T cells, point mutation of Vav1 proline-rich site, actin rearrangement assay |
Science signaling |
High |
22534133
|
| 2011 |
Nck is necessary but insufficient for WASp recruitment downstream of TCR; SLP-76 acid domain enables Nck SH2 binding, while SLP-76 SH2 domain enables ADAP interaction. Functional cooperation between Nck and ADAP is required for SLP-76-WASp complex formation and actin rearrangement. |
Knockdown (siRNA), domain mutants, co-immunoprecipitation, actin imaging |
Molecular and cellular biology |
Medium |
21536650
|
| 2012 |
Nck1 and Nck2 SH2 domains bind phosphorylated CEACAM3 ITAM-like sequence and localize the WAVE complex to CEACAM3, promoting lamellipodial actin assembly and bacterial phagocytosis. Nck knockdown or SH2 domain overexpression blocks internalization. |
Co-immunoprecipitation (phosphorylation-dependent), RNAi knockdown, genetic deletion of Nck1/Nck2, bacterial internalization assay |
PloS one |
Medium |
22448228
|
| 2013 |
Cdc42, activated by the Rho-GEF intersectin-1 (ITSN1) recruited to vaccinia virus, cooperates with Nck to stabilize N-WASP beneath the virus and promote actin tail formation; ITSN1-Cdc42-N-WASP form a feed-forward loop, and this mechanism also operates during FcγR-mediated phagocytosis. |
Depletion/knockout of ITSN1, Cdc42, and N-WASP; live-cell imaging of vaccinia actin tails; phagocytosis assay |
Journal of cell science |
Medium |
24284073
|
| 2001 |
Nck associates with the adaptor complex Fyb/SLAP, SLP-76, VASP, and WASP during FcγR-mediated phagocytosis in macrophages; Nck promotes WASP recruitment to the phagocytic cup for actin polymerization and pseudopodium extension. |
Co-immunoprecipitation (native complex), immunofluorescence colocalization during phagocytosis |
Journal of cell science |
Medium |
11739662
|
| 1995 |
Nck SH3 domains (second domain primary) bind a serine/threonine kinase (NAK/Nck-associated kinase) in vivo and in vitro. |
GST pulldown, in vitro binding with isolated SH3 domains, co-immunoprecipitation from multiple cell types |
The Journal of biological chemistry |
Medium |
7706279
|
| 2001 |
NCK and PAK are constitutively associated in the absence of VEGF; VEGF stimulation augments PAK kinase activity and recruits PAK to focal adhesions; antisense knockdown of NCK inhibits VEGF-induced focal adhesion assembly and endothelial cell migration. |
Co-immunoprecipitation, antisense oligonucleotide knockdown, migration assay, PAK kinase activity assay |
The Journal of biological chemistry |
Medium |
11278553
|
| 2006 |
Nck binding to p130Cas (not PDGFβR itself) is the major SH2-dependent interaction in PDGF-B-stimulated cells; Nck-deficient cells fail to form membrane ruffles or disassemble actin bundles in response to PDGF-B, and Nck-null cells lack chemotaxis toward PDGF-B. |
Nck knockout MEFs, phosphoproteomic analysis, co-immunoprecipitation, actin imaging, chemotaxis assay |
Proceedings of the National Academy of Sciences of the United States of America |
High |
16769879
|
| 2006 |
Nck FasL interaction: Nck binds to the proline-rich portion of FasL via its SH3 domains and alters FasL subcellular distribution; in cytotoxic T lymphocytes, TCR engagement drives actin-dependent transport of Nck-associated FasL-bearing secretory lysosomes to the immunological synapse. |
Co-immunoprecipitation, cotransfection redistribution assay, immunofluorescence in T cell-target cell conjugates |
Proceedings of the National Academy of Sciences of the United States of America |
Medium |
16595635
|
| 2010 |
Nck1 deletion in obese mice attenuates IRE1α and JNK activation, reduces IRS-1 Ser307 phosphorylation, and improves insulin signaling and glucose disposal in liver; Nck1 siRNA in HepG2 cells decreases thapsigargin-induced IRE1α activation. Nck1 modulates the hepatic unfolded protein response. |
Nck1 knockout mice (obese model), siRNA in hepatocytes, glucose tolerance test, insulin signaling assays, ER stress markers |
American journal of physiology. Endocrinology and metabolism |
Medium |
20587749
|
| 1999 |
The third (C-terminal) SH3 domain of Nck exclusively binds Sos; the same third SH3 domain also binds dynamin (identified as a 100-kDa Nck-associated protein), linking Nck to Ras activation and membrane vesicle trafficking. |
GST-SH3 domain pulldown, co-immunoprecipitation, [35S]methionine labeling |
Cellular signalling |
Medium |
10206341
|
| 2012 |
c-ABL phosphorylates NCK1 at tyrosine 105 downstream of VEGFR-2/PI3K; this NCK1 phosphorylation mediates negative feedback on p38 MAP kinase signaling in endothelial cells. |
Co-immunoprecipitation, in vitro kinase assay, NCK1 mutant analysis, dominant-negative c-ABL, siRNA, MAP kinase activity assay |
Angiogenesis |
Medium |
22327338
|
| 2019 |
TNK2, WASL (N-WASP), and NCK1 function in a common pathway for picornavirus (EMCV, CVB3, poliovirus, EV-D68) entry; genetic epistasis by CRISPR deletion and reduced EMCV internalization in TNK2-deficient cells confirm that NCK1 functions in viral entry through actin nucleation. |
CRISPR gene deletion, genetic epistasis (double/triple knockouts), viral internalization assay, chemical inhibitors |
eLife |
High |
31769754
|
| 2015 |
NCK1 interacts with SOCS7 and is carried into the nucleus by SOCS7; the nuclear NCK-SOCS7 pool intersects with ATM/ATR signaling downstream to enable p53 Ser15 phosphorylation during DNA damage response. The septin-SOCS7-NCK axis is essential for cell-cycle arrest. |
Knockdown (siRNA) of septins/SOCS7, fractionation, rescue with cytoplasmic vs nuclear NCK, cell-cycle analysis |
Cell |
High |
17803907
|
| 2016 |
Nck sequesters the adaptor WTIP and its binding partner Lats1 to phosphorylated nephrin via direct Nck-WTIP association, resulting in decreased Lats1 phospho-activation and suppressed Hippo signaling (YAP stabilization) in podocytes. |
Mutational analysis, co-immunoprecipitation, in vivo podocyte injury model (nephrin dephosphorylation), Lats1 and YAP western blotting |
The Journal of biological chemistry |
Medium |
27033705
|