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XML generation date: 2024-10-16 17:30:16.184
Product last modified at: 2024-10-17T07:01:08.128Z
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PDP - Template Name: Antibody Sampler Kit
PDP - Template ID: *******4a3ef3a
  1. Products /
  2. Primary Antibodies /
  3. Phospho-Syk Antibody Sampler Kit

Phospho-Syk Antibody Sampler Kit #9925

    Product Information

    Kit Usage Information

    Protocols

    Product Description

    Phospho-Syk Sampler Kit provides an economical means to evaluate the activation status of Syk, including the phosphorylation of Tyr323, Tyr352 and Tyr525/526. The control Syk Antibody is also included. The kit contains enough primary and secondary antibodies for two Western blot experiments.

    Specificity / Sensitivity

    Phospho-Syk (Tyr525/526) (C87C1) Rabbit mAb detects endogenous levels of Syk protein only when phosphorylated at Tyr525/526 of human Syk or Tyr519/520 of mouse Syk. It also detects Syk protein when singly phosphorylated at Tyr526 of human Syk or Tyr520 of mouse Syk. Phospho-Syk (Tyr323) Antibody detects endogenous levels of Syk only when phosphorylated at Tyr323. Syk (D3Z1E) XP® Rabbit mAb recognizes endogenous levels of total Syk protein. All other antibodies in the kit do not cross-react with phosphorylated or nonphosphorylated forms of other related family members.

    Source / Purification

    Polyclonal antibodies are produced by immunizing animals with synthetic phosphopeptides corresponding to residues surrounding Tyr323 of human Syk or Tyr319 of human Zap-70. Polyclonal antibodies are purified by protein A and peptide affinity chromatography. Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues around Asn463 of human Syk protein or residues surrounding Tyr525/526 of human Syk.

    Background

    Syk is a protein tyrosine kinase that plays an important role in intracellular signal transduction in hematopoietic cells (1-3). Syk interacts with immunoreceptor tyrosine-based activation motifs (ITAMs) located in the cytoplasmic domains of immune receptors (4). It couples the activated immunoreceptors to downstream signaling events that mediate diverse cellular responses, including proliferation, differentiation, and phagocytosis (4). There is also evidence of a role for Syk in nonimmune cells and investigators have indicated that Syk is a potential tumor suppressor in human breast carcinomas (5). Tyr323 is a negative regulatory phosphorylation site within the SH2-kinase linker region in Syk. Phosphorylation at Tyr323 provides a direct binding site for the TKB domain of Cbl (6,7). Tyr352 of Syk is involved in the association of PLCγ1 (8). Tyr525 and Tyr526 are located in the activation loop of the Syk kinase domain; phosphorylation at Tyr525/526 of human Syk (equivalent to Tyr519/520 of mouse Syk) is essential for Syk function (9).

    Database Links

    UniProt ID: P43403 , P43405


    Entrez-Gene Id: 7535 , 6850


    Limited Uses

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    For Research Use Only. Not For Use In Diagnostic Procedures.
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    U.S. Patent No. 7,429,487, foreign equivalents, and child patents deriving therefrom.
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