Render Target: STATIC
Render Timestamp: 2024-10-14T10:03:15.356Z
Commit: 56767fe525c928647c8401233a175d0d607d385d
XML generation date: 2024-09-20 06:15:47.582
Product last modified at: 2024-10-11T20:30:10.785Z
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PDP - Template Name: Polyclonal Antibody
PDP - Template ID: *******59c6464

Phospho-Rac1/cdc42 (Ser71) Antibody #2461

Filter:
  • WB

    Supporting Data

    REACTIVITY H
    SENSITIVITY Endogenous
    MW (kDa) 28
    SOURCE Rabbit
    Application Key:
    • WB-Western Blotting 
    Species Cross-Reactivity Key:
    • H-Human 

    Product Information

    Product Usage Information

    Application Dilution
    Western Blotting 1:1000

    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-Rac1/cdc42 (Ser71) Antibody detects endogenous levels of Rac1/cdc42 only when phosphorylated at serine 71. The antibody may also recognize phospho-RhoA (Ser73).

    Species Reactivity:

    Human

    The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.

    Species predicted to react based on 100% sequence homology:

    Mouse, Rat

    Source / Purification

    Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser71 of human Rac1/cdc42. Antibodies are purified by protein A and peptide affinity chromatography.

    Background

    Rac and Cdc42 are members of the Rho-GTPase family. In mammals, Rac exists as three isoforms, Rac1, Rac2 and Rac3, which are highly similar in sequence. Rac1 and Cdc42, the most widely studied of this group, are ubiquitously expressed. Rac2 is expressed in cells of hematopoietic origin, and Rac3, while highly expressed in brain, is also found in many other tissues. Rac and Cdc42 play key signaling roles in cytoskeletal reorganization, membrane trafficking, transcriptional regulation, cell growth and development (1). GTP binding stimulates the activity of Rac/Cdc42, and the hydrolysis of GTP to GDP through the protein's intrinsic GTPase activity, rendering it inactive. GTP hydrolysis is aided by GTPase activating proteins (GAPs), while exchange of GDP for GTP is facilitated by guanine nucleotide exchange factors (GEFs). Another level of regulation is achieved through the binding of RhoGDI, a guanine nucleotide dissociation inhibitor, which retains Rho family GTPases, including Rac and Cdc42, in their inactive GDP-bound state (2,3).
    A putative Akt phosphorylation site at Ser71 of Rac1/cdc42 has been identified and confirmed by in vitro kinase assay (4). Phosphorylation at this site may inhibit GTP binding of Rac1, attenuating the signal transduction pathway downstream of Rac1 (4).
    For Research Use Only. Not For Use In Diagnostic Procedures.
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