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Phospho-Fgr (Tyr412) Antibody #4111

Inquiry Info. # 4111

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    Product Specifications

    REACTIVITY
    SENSITIVITY
    MW (kDa) 55
    SOURCE Rabbit

    Product Information

    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.

    Specificity / Sensitivity

    Phospho-Fgr (Tyr412) Antibody detects endogenous levels of Fgr only when phosphorylated at Tyr412. This antibody may cross-react with other Src family members, FGF receptor, EGF receptor, FLt3 and Tie2.

    Source / Purification

    Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Tyr412 of human Fgr. Antibodies are purified by protein A and peptide affinity chromatography.

    Background

    Fgr (c-Fgr kinase) is a member of the Src tyrosine kinase family. It has a membrane-associated amino-terminal domain that is highly divergent from other family members, internal conserved SH2 and SH3 domains, and a highly conserved carboxy-terminal tyrosine kinase catalytic domain (1,2). Tyrosine 412 is located in the activation loop; autophosphorylation of this residue is critical for the activation of Fgr tyrosine kinase activity, and is counter-regulated by Src-mediated phosphorylation at Tyr523 (3). c-Fgr is predominantly expressed in cells of hematopoietic origin, including differentiated myeloid cells, NK, and B cells (4,5). Fgr plays an important role in the signaling cascade from membrane receptors lacking intrinsic tyrosine kinase activity, such as Bcr, FcR, and the integrin family of receptors (6). It was demonstrated that Fgr functions as a selective inhibitor of beta 2 integrin-mediated signaling and Syk kinase function in monocytes (6).

    Alternate Names

    c-fgr; c-fgr protooncogene; c-src-2 proto-oncogene; c-src2; feline Gardner-Rasheed sarcoma viral oncogene homolog; FGR; FGR proto-oncogene, Src family tyrosine kinase; FLJ43153; Gardner-Rasheed feline sarcoma viral (v-fgr) oncogene homolog; MGC75096; p55-c-fgr protein; p55-Fgr; p55c-fgr; p58-Fgr; p58c-fgr; Proto-oncogene c-Fgr; proto-oncogene tyrosine-protein kinase FGR; SRC2; Tyrosine-protein kinase Fgr; v-fgr feline Gardner-Rasheed sarcoma viral oncogene homolog

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