This gene encodes a member of an adapter protein family that binds to several tyrosine-phosphorylated proteins. The product of this gene has several SH2 and SH3 domains (src-homology domains) and is involved in several signaling pathways, recruiting cytoplasmic proteins in the vicinity of tyrosine kinase through SH2-phosphotyrosine interaction. The N-terminal SH2 domain of this protein functions as a positive regulator of transformation whereas the C-terminal SH3 domain functions as a negative regulator of transformation. Two alternative transcripts encoding different isoforms with distinct biological activity have been described.
Background References
1. Lopez M.L., Lo M., Kung J.E., Dudkiewicz M., Jang G.M., Von Dollen J., Johnson J.R., Krogan N.J., Pawlowski K., Jura N. PEAK3/C19orf35 pseudokinase, a new NFK3 kinase family member, inhibits CrkII through dimerization. Proc. Natl. Acad. Sci. U.S.A. 116:15495-15504 (2019)
2. Sanders M.A., Ampasala D., Basson M.D. DOCK5 and DOCK1 regulate Caco-2 intestinal epithelial cell spreading and migration on collagen IV. J. Biol. Chem. 284:27-35 (2009)
Western blot analysis of Crk p38 on different lysates with Rabbit anti-Crk p38 antibody (HA722453) at 1/1,000 dilution.
Lane 1: HeLa cell lysate Lane 2: HepG2 cell lysate Lane 3: C6 cell lysate Lane 4: PC-12 cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 34 kDa Observed band size: 34 kDa
Exposure time: 25 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722453) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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