WB
H Hm
Endogenous
42
Rabbit
#P46108
1398
Product Information
Product Usage Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
Storage
Specificity / Sensitivity
Species Reactivity:
Human, Hamster
Species predicted to react based on 100% sequence homology
The antigen sequence used to produce this antibody shares
100% sequence homology with the species listed here, but
reactivity has not been tested or confirmed to work by CST.
Use of this product with these species is not covered under
our
Product Performance Guarantee.
Mouse, Rat
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr221 of human CrkII. Antibodies are purified by protein A and peptide affinity chromatography.
Background
CrkII, a cellular homologue of v-Crk, belongs to a family of adaptor proteins with an SH2-SH3-SH3 domain structure that transmits signals from tyrosine kinases (1). The primary function of Crk is to recruit cytoplasmic proteins in the vicinity of tyrosine kinases through SH2-phospho-tyrosine interaction. Thus, the output from Crk depends on the SH3-binding proteins, which include the C3G and Sos guanine nucleotide exchange proteins, Abl tyrosine kinase, DOCK180 and some STE20-related kinases. The variety of Crk-binding proteins indicates the pleiotropic function of Crk (2). The two CrkII SH3 domains are separated by a 54 amino acid linker region, which is highly conserved in Xenopus, chicken and mammalian CrkII proteins (3). Tyrosine 221 in this region is phosphorylated by the Abl tyrosine kinase (4), IGF-I receptor (5) and EGF receptor (6). Once Tyr221 is phosphorylated, CrkII undergoes a change in intramolecular folding and SH2-pTyr interaction, which causes rapid dissociation of CrkII from the tyrosine kinase complex (3).
- Zvara, A. et al. (2001) Oncogene 20, 951-961.
- Kiyokawa, E. et al. (1997) Crit. Rev. Oncog. 8, 329-342.
- Rosen, M.K. et al. (1995) Nature 374, 477-9.
- Amoui, M. and Miller, W.T. (2000) Cell. Signal. 12, 637-643.
- Koval, A. P. et al. (1998) Biochem. J. 330, 923-932.
- Hashimoto, Y. et al. (1998) J. Biol. Chem. 273, 17186-17191.
Species Reactivity
Species reactivity is determined by testing in at least one approved application (e.g., western blot).
Western Blot Buffer
IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v BSA, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
Applications Key
WB: Western Blotting
Cross-Reactivity Key
H: human M: mouse R: rat Hm: hamster Mk: monkey Vir: virus Mi: mink C: chicken Dm: D. melanogaster X: Xenopus Z: zebrafish B: bovine Dg: dog Pg: pig Sc: S. cerevisiae Ce: C. elegans Hr: horse GP: Guinea Pig Rab: rabbit All: all species expected
Trademarks and Patents
限制使用
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