Render Target: STATIC
Render Timestamp: 2024-12-20T11:47:47.652Z
Commit: f2d32940205a64f990b886d724ccee2c9935daff
XML generation date: 2024-09-20 06:19:24.513
Product last modified at: 2024-12-17T20:45:10.934Z
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PDP - Template Name: Monoclonal Antibody
PDP - Template ID: *******c5e4b77

Rb (4H1) Mouse mAb #9309

Filter:
  • WB
  • IP
  • IHC
  • IF
  • F
  • ChIP

    Supporting Data

    REACTIVITY H Mk B Pg
    SENSITIVITY Endogenous
    MW (kDa) 110
    Source/Isotype Mouse IgG2a
    Application Key:
    • WB-Western Blotting 
    • IP-Immunoprecipitation 
    • IHC-Immunohistochemistry 
    • IF-Immunofluorescence 
    • F-Flow Cytometry 
    • ChIP-Chromatin Immunoprecipitation 
    Species Cross-Reactivity Key:
    • H-Human 
    • Mk-Monkey 
    • B-Bovine 
    • Pg-Pig 

    Product Information

    Product Usage Information

    For optimal ChIP results, use 5 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP. This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.

    Application Dilution
    Western Blotting 1:2000
    Immunoprecipitation 1:100
    Immunohistochemistry (Paraffin) 1:800 - 1:3200
    Immunofluorescence (Immunocytochemistry) 1:800 - 1:3200
    Flow Cytometry (Fixed/Permeabilized) 1:3200
    Chromatin IP 1:200

    Storage

    Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

    For a carrier-free (BSA and azide free) version of this product see product #61121.

    Protocol

    Specificity / Sensitivity

    Rb (4H1) Mouse mAb detects endogenous levels of total Rb protein. The antibody does not cross-react with the Rb homologues p107 or p130, or with other proteins.

    Species Reactivity:

    Human, Monkey, Bovine, Pig

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a Rb-C fusion protein containing residues 701-928 of human Rb. The epitope corresponds to a region surrounding His890 of human Rb.

    Background

    The retinoblastoma tumor suppressor protein Rb regulates cell proliferation by controlling progression through the restriction point within the G1-phase of the cell cycle (1). Rb has three functionally distinct binding domains and interacts with critical regulatory proteins including the E2F family of transcription factors, c-Abl tyrosine kinase, and proteins with a conserved LXCXE motif (2-4). Cell cycle-dependent phosphorylation by a CDK inhibits Rb target binding and allows cell cycle progression (5). Rb inactivation and subsequent cell cycle progression likely requires an initial phosphorylation by cyclin D-CDK4/6 followed by cyclin E-CDK2 phosphorylation (6). Specificity of different CDK/cyclin complexes has been observed in vitro (6-8) and cyclin D1 is required for Ser780 phosphorylation in vivo (9).
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