• Crk II (phospho Tyr221) Polyclonal Antibody
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YP-Ab-03551-100UL

Crk II (phospho Tyr221) Polyclonal Antibody

Crk II (phospho Tyr221) Polyclonal Antibody

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  • Gene Name: CRK
  • Immunogen: The antiserum was produced against synthesized peptide derived from human CrkII around the phosphorylation site of Tyr221. AA range:187-236
  • Specificity: Phospho-Crk II (Y221) Polyclonal Antibody detects endogenous levels of Crk II protein only when phosphorylated at Y221.
  • Composition: Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
  • Source: Polyclonal, Rabbit,IgG
  • Dilution ratio: Western Blot: 1/500 - 1/2000. Immunofluorescence: 1/200 - 1/1000. ELISA: 1/40000. Not yet tested in other applications.
  • Purification process: The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
  • Concentration: 1 mg/ml
  • Storage: -20°C/1 year
  • Other Names: CRK; Adapter molecule crk; Proto-oncogene c-Crk; p38
  • Background: 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. [provided by RefSeq, Jul 2008],
  • Function: domain:The C-terminal SH3 domain function as a negative modulator for transformation and the N-terminal SH3 domain appears to function as a positive regulator for transformation.,domain:The SH2 domain mediates interaction with SHB.,function:The Crk-I and Crk-II forms differ in their biological activities. Crk-II has less transforming activity than Crk-I. Crk-II mediates attachment-induced MAPK8 activation, membrane ruffling and cell motility in a Rac-dependent manner. Involved in phagocytosis of apoptotic cells and cell motility via its interaction with DOCK1 and DOCK4.,PTM:Phosphorylated on Tyr-221 upon cell adhesion. Results in the negative regulation of the association with SH2- and SH3-binding partners, possibly by the formation of an intramolecular interaction of phosphorylated Tyr-221 with the SH2 domain. This leads finally to the down-regulation of the Crk signaling pathway.,PTM:P
  • Species: Human;Mouse;Rat;Monkey
  • Range: WB;IF;ELISA
  • Protein: Adapter molecule crk
  • DA: 40kD
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