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SQSTM1/p62 (D6M5X) Rabbit Monoclonal Antibody #23214

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  • IP
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  • IF

    Product Specifications

    REACTIVITY M R
    SENSITIVITY Endogenous
    MW (kDa) 62
    Source/Isotype Rabbit IgG
    Application Key:
    • WB-Western Blotting 
    • IP-Immunoprecipitation 
    • IHC-Immunohistochemistry 
    • IF-Immunofluorescence 
    Species Cross-Reactivity Key:
    • M-Mouse 
    • R-Rat 

    Product Information

    Product Usage Information

    Application Dilution
    Western Blotting 1:1000
    Immunoprecipitation 1:200
    Immunohistochemistry (Paraffin) 1:125 - 1:500
    Immunofluorescence (Immunocytochemistry) 1:400 - 1:1600

    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.

    Protocol

    Specificity / Sensitivity

    SQSTM1/p62 (D6M5X) Rabbit Monoclonal Antibody recognizes endogenous levels of total rodent SQSTM1/p62 protein.

    Species Reactivity:

    Mouse, Rat

    Source / Purification

    Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Gly300 of mouse SQSTM1/p62 protein.

    Background

    Sequestosome 1 (SQSTM1, p62) is a ubiquitin binding protein involved in cell signaling, oxidative stress, and autophagy (1-4). It was first identified as a protein that binds to the SH2 domain of p56Lck (5) and independently found to interact with PKCζ (6,7). SQSTM1 was subsequently found to interact with ubiquitin, providing a scaffold for several signaling proteins and triggering degradation of proteins through the proteasome or lysosome (8). Interaction between SQSTM1 and TRAF6 leads to the K63-linked polyubiquitination of TRAF6 and subsequent activation of the NF-κB pathway (9). Protein aggregates formed by SQSTM1 can be degraded by the autophagosome (4,10,11). SQSTM1 binds autophagosomal membrane protein LC3/Atg8, bringing SQSTM1-containing protein aggregates to the autophagosome (12). Lysosomal degradation of autophagosomes leads to a decrease in SQSTM1 levels during autophagy; conversely, autophagy inhibitors stabilize SQSTM1 levels. Studies have demonstrated a link between SQSTM1 and oxidative stress. SQSTM1 interacts with KEAP1, which is a cytoplasmic inhibitor of NRF2, a key transcription factor involved in cellular responses to oxidative stress (3). Thus, accumulation of SQSTM1 can lead to an increase in NRF2 activity.

    Alternate Names

    A17; A170; OSF; OSF-6; Osi; OTTMUSP00000005736; oxidative stress induced; p62; RP23-319B15.3; sequestosome 1; Sequestosome-1; SQSTM; Sqstm1; STAP; STONE14; Ubiquitin-binding protein p62

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