Phospho-HS1 (Tyr397) Antibody #4507
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Inquiry Info. # 4507
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Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 80 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Phospho-HS1 (Tyr397) Antibody detects the endogenous level of HS1 protein when phosphorylated at Tyr397.
Species Reactivity:
Human
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr397 of human HS1. Antibodies are purified using peptide affinity chromatography
Background
HS1 (HCLS1, LckBP1, p75) is a protein kinase substrate that is expressed only in tissues and cells of hematopoietic origin (1,2). HS1 contains four cortactin repeats and a single SH3 domain (2). This intracellular protein is phosphorylated following immune receptor activation, which promotes recruitment of HS1 to the immune synapse (3-5). Phosphorylation of HS1 is required to regulate actin dynamics and provide docking sites for many other signaling molecules, such as Vav1 and PLCγ1 (6). HS1 also plays an important role in platelet activation (7).
Tyr397 of HS1 protein is rapidly phosphorylated by Syk and/or Lyn kinases following immune receptor stimulation and thrombin-mediated platelet stimulation. This phosphorylation is an important step in cytoskeletal rearrangement and signaling complex formation (6-10).
Tyr397 of HS1 protein is rapidly phosphorylated by Syk and/or Lyn kinases following immune receptor stimulation and thrombin-mediated platelet stimulation. This phosphorylation is an important step in cytoskeletal rearrangement and signaling complex formation (6-10).
- Kitamura, D. et al. (1989) Nucleic Acids Res 17, 9367-79.
- Kitamura, D. et al. (1995) Biochem Biophys Res Commun 208, 1137-46.
- Suzuki, H. et al. (1997) J Immunol 159, 5881-8.
- Hata, D. et al. (1994) Immunol Lett 40, 65-71.
- Yamanashi, Y. et al. (1993) Proc Natl Acad Sci USA 90, 3631-5.
- Gomez, T.S. et al. (2006) Immunity 24, 741-52.
- Kahner, B.N. et al. (2007) Blood 110, 2449-56.
- Yamanashi, Y. et al. (1997) J Exp Med 185, 1387-92.
- Hao, J.J. et al. (2004) J Biol Chem 279, 33413-20.
- Brunati, A.M. et al. (2005) J Biol Chem 280, 21029-35.
限制使用
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