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C0853

Sigma-Aldrich

Anti-Crk-II antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution

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About This Item

MDL number:
UNSPSC Code:
12352203

biological source

rabbit

conjugate

unconjugated

antibody form

IgG fraction of antiserum

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen 38 kDa

species reactivity

human, mouse, chicken

technique(s)

microarray: suitable
western blot: 1:3,000 using whole extract of the Burkitt lymphoma Raji cell line
western blot: 1:5,000 using whole extract of chicken fibroblasts

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

Gene Information

human ... CRK(1398)
mouse ... Crk(12928)

General description

Crk proteins belong to a family of adaptor proteins with distinct Src homology (SH) domains, SH2 and SH3. Crk-I, Crk-II and CrkL are the cellular homologs of oncogene v-Crk of avian sarcoma virus. While Crk-I and Crk-II are the products of alternate gene splicing, Crk-L is encoded by a different gene although it shares 60% homology with Crk-II. The Crk proteins are involved in many signal transduction pathways. The SH2 domain of Crk proteins interact with several tyrosine kinases such as EGFR, Cbl, p130cas, paxillin and IRS-1. In humans, both SH2 and SH3 domains of Crk proteins are essential for neuronal differentiation of PC-12 cells, play active role in NGF and p21ras signalling.
Anti-Crk-II specifically recognizes human and chicken Crk-II (38 kDa).

Immunogen

synthetic peptide K-THVRLLDQQNPDEDFS corresponding to the C-terminal of human Crk-II (amino acids 289-304 with N-terminally added lysine), conjugated to KLH. The sequence is identical in human, mouse and chicken Crk-II and highly conserved (single amino acid substitution) in rat Crk-II. This sequence is absent in Crk-I isoform and has limited homology (60%) to Crk-L..

Application

Anti-Crk-II antibody may be used at a working dilution of 1:5000 in whole extract of chicken fibroblasts. It may be used for detection of Crk-II in whole extract of Raji cell line (Burkitt lymphoma). It is also suitable for protein microarray.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.

Disclaimer

Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

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M Matsuda et al.
Cellular signalling, 8(5), 335-340 (1996-08-01)
v-Crk, identified as an oncogene product of the CT10 retrovirus, became the first example of an adaptor protein. It consists mostly of the Src homology 2 (SH2) and Src homology 3 (SH3) domains. Two of the three major proteins bound
M Matsuda et al.
Molecular and cellular biology, 11(3), 1607-1613 (1991-03-01)
The oncogene product of the avian sarcoma virus CT10, P47gag-crk, contains the SH2, SH2', and SH3 domains and binds proteins in a phosphotyrosine (ptyr)-dependent manner. In this study, we have determined the region of P47gag-crk essential for binding to ptyr-containing
C T Reichman et al.
Cell growth & differentiation : the molecular biology journal of the American Association for Cancer Research, 3(7), 451-460 (1992-07-01)
We have cloned and sequenced a complementary DNA encoding the cellular homologue of the transforming oncogene v-crk of avian sarcoma virus CT10. This complementary DNA contains an open reading frame of 915 base pairs that encodes a polypeptide of 305
S M Feller et al.
Journal of cellular physiology, 177(4), 535-552 (1999-03-26)
The viral Crk oncogene (v-Crk) is known to induce sarcomas in chicken and its cellular homologs c-Crk I, c-Crk II, and Crk-like (CRKL) have been implicated in many signal transduction events. These include cell differentiation, cell migration, and the induced
Interaction between the amino-terminal SH3 domain of CRK and its natural target proteins.
Matsuda M et al
The Journal of Biological Chemistry, 271, 144468-144472 (1996)

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