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  3. PhosphoPlus® Elk-1 (Ser383) Antibody Kit

PhosphoPlus® Elk-1 (Ser383) Antibody Kit #9180

Inquiry Info. # 9180

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    Product Information

    Kit Usage Information

    Protocols

    Product Description

    The PhosphoPlus® Elk-1 (Ser383) Antibody Kit provides reagents and protocols for the rapid analysis of the phosphorylation status of Elk-1. Bacterially expressed Elk-1 serves as a negative control. The same protein phosphorylated by p42 MAP Kinase (Erk2) serves as a positive control.

    Specificity / Sensitivity

    Elk-1 Antibody detects endogenous levels of total Elk-1 protein. Phospho-Elk-1 (Ser383) Antibody detects EIk-1 protein only when activated by phosphorylation at serine 383.

    Source / Purification

    Polyclonal antibodies are produced by immunizing rabbits with a synthetic phosphopeptide corresponding to residues surrounding Ser383 of human Elk-1, or with a synthetic peptide derived from the sequence of human Elk-1. Antibodies are purified by protein A and peptide affinity chromatography.

    Background

    The ETS transcription factor Elk-1 is a component of the ternary complex that binds the serum response element (SRE) and mediates gene activity in response to serum and growth factors (1-3). Elk-1 is phosphorylated by MAP kinase pathways at a cluster of S/T motifs at its carboxy terminus; phosphorylation at these sites, particularly Ser383, is critical for transcriptional activation by Elk-1. Elk-1 appears to be a direct target of activated MAP kinase: (a) biochemical studies indicate that Elk-1 is a good substrate for MAP kinase; (b) the kinetics of Elk-1 phosphorylation and activation correlate with MAP kinase activity; (c) interfering mutants of MAP kinase block Elk-1 activation in vivo. Other studies have shown that Elk-1 (Ser383) is also a target of the stress-activated kinase SAPK/JNK (4,5).

    Database Links

    UniProt ID: P19419


    Entrez-Gene Id: 2002


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    For Research Use Only. Not for Use in Diagnostic Procedures.
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