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BLNK Antibody

BLNK Antibody #3587

This product is discontinued

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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.

BLNK antibody detects endogenous levels of total BLNK protein.

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro48 of human BLNK. Antibodies are purified by protein A and peptide affinity chromatography.

B cell linker protein (BLNK), also known as SLP-65 or BASH, is an adaptor molecule that plays key roles in B cell activation and B cell antigen receptor (BCR) engagement. BLNK acts at the interface between BCR-associated Syk and downstream signaling cascades (1,2). BLNK has multiple SH2 binding motifs (YXXP) at its amino terminus and an SH2 domain at its carboxy terminus. After BCR ligation, BLNK is phosphorylated by Syk at multiple YXXP motifs including Tyr72, Tyr84, Tyr96, and Tyr178 (1). These phosphorylated motifs provide docking sites for signaling molecules, such as BTK, PLCγ, and Vav. These signaling molecules bind to BLNK through their SH2 domains and together activate downstream signaling pathways (3,4). Through its SH2 domain, BLNK can also interact with tyrosine-phosphorylated targets, such as HPK1, thereby recruiting them to the BCR complex for signaling (5).

  1. Kurosaki, T. and Tsukada, S. (2000) Immunity 12, 1-5.
  2. Fu, C. et al. (1998) Immunity 9, 93-103.
  3. Ishiai, M. et al. (1999) Immunity 10, 117-25.
  4. Baba, Y. et al. (2001) Proc. Natl. Acad. Sci. USA 98, 2582-86.
  5. Tsuji,, . et al. (2001) J. Exp. Med. 194, 529-539.
Entrez-Gene Id
Swiss-Prot Acc.
For Research Use Only. Not For Use In Diagnostic Procedures.

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

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