Product Pathways - Tyrosine Kinase/ Adaptors
Phospho-Src Family (Tyr416) Antibody #2101
Applications | Reactivity | Sensitivity | MW (kDa) | Source |
---|---|---|---|---|
W | H M R (C) (X) | Endogenous | 60 | Rabbit |
Applications Key:
W=Western Blotting
Reactivity Key:
H=Human
M=Mouse
R=Rat
C=Chicken
X=Xenopus
Species cross-reactivity is determined by Western blot.
Protocols
- 2101:
- Western Blotting
Specificity / Sensitivity
Phospho-Src Family (Tyr416) Antibody detects endogenous levels of Src only when phosphorylated at tyrosine 416. The antibody may cross-react with other Src family members (Lyn, Fyn, Lck, Yes and Hck) when phosphorylated at equivalent sites. It does not cross-react with Src phosphorylated at tyrosine 527. It may cross react with phosphorylated RTKs.
Source / Purification
Polyclonal antibodies are produced by immunizing rabbits with a synthetic phospho-peptide corresponding to residues surrounding Tyr416 of human Src. Antibodies are purified by protein A and peptide affinity chromatography.
Background
The Src family of protein tyrosine kinases (including Src, Lyn, Fyn, Yes, Lck, Blk and Hck) are important in the regulation of growth and differentiation of eukaryotic cells (1). Src activity is regulated by tyrosine phosphorylation at two sites, but with opposing effects. Phosphorylation of Tyr416 in the activation loop of the kinase domain by Csk upregulates enzyme activity, whereas phosphorylation of Tyr527 in the carboxy-terminal tail renders the enzyme less active (2).
Lyn is a member of the Src family that is predominantly expressed in hematopoietic cells (3). Lyn participates in signaling from multiple cell surface receptors such as the B cell antigen receptor (BCR) and CD40 (4).Lck is essential for T-lymphocyte activation and differentiation (5,6). Phosphorylation of the carboxy-terminal Tyr505 downregulates Lck activity, while phosphorylation at Tyr394 leads to an increase in Lck activity (7).
- Thomas, S.M. and Brugge, J.S. (1997) Annu. Rev. Cell Dev. Biol. 13, 513-609.
- Hunter, T. (1987) Cell 49, 1-4.
- Yamanshi,, Y. et al. (1989) Proc. Natl. Acad. Sci. USA 86, 6538-6542.
- Yamanashi, Y. et al. (1991) Science 251, 192-194.
- Molina, T. J. et al. (1992) Nature 357, 161-164.
- Straus, D. B. et al. (1992) Cell 70, 585-593.
- Chow, L. M. et al. (1993) Nature 365, 156-160.
Application References
- Gonfloni, S. et al. (1999) Leucine 255 of Src couples intramolecular interactions to inhibition of catalysis. Nat. Struct. Biol. 6, 760-764. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blot
- Gonfloni, S. et al. (2000) Crosstalk between the catalytic and regulatory domains allows bidirectional regulation of Src. Nat. Struct. Biol. 7, 281-286. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blot
- Ibitayo, A. I. et al. (1998) Src kinase and PI 3-kinase as a transduction pathway in ceramide-induced contraction of colonic smooth muscle. Am. J. Physiol. 275, 705-711. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blot
- Wu, W. et al. (2002) Src-dependent phosphorylation of the epidermal growth factor receptor on tyrosine 845 is required for zinc-induced Ras activation. J. Biol. Chem. 277 (27), 24252-24257. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blotting
- Martinon, F. et al. (2002) The Inflammasome: A Molecular Platform Triggering Activation of Inflammatory Caspases and Processing of proIL-beta. Mol. Cell 10, 417-426. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blotting
- Nagata, Y. et al. (2004) PTEN activation contributes to tumor inhibition by trastuzumab, and loss of PTEN predicts trastuzumab resistance in patients. Cancer Cell 6, 117-127. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blotting
- White, D. E. et al. (2004) Targeted disruption of beta1-integrin in a transgenic mouse model of human breast cancer reveals an essential role in mammary tumor induction. Cancer Cell 6, 159-170. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: IC-IF Western Blotting
- Wang, D. et al. (2000) Distinct effects of N-acetylcysteine and nitricoxide on angiotensin II-induced epidermal growth factor receptor phosphorylation and intracellular Ca(2+) levels. J. Biol. Chem. 275, 12223-12230. This article references the use of Phospho-Src Family (Tyr416) Antibody in the following applications: Western Blot
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This product is for in vitro research use only and is not intended for use in humans or animals. This product is not intended for use as therapeutic or in diagnostic procedures.