Date published: 2026-5-11

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CPSF4 Antibody (D-9): sc-390643

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Datasheets
  • CPSF4 Antibody (D-9) is a mouse monoclonal IgG2a κ provided at 200 µg/ml
  • raised against amino acids 1-102 mapping at the N-terminus of CPSF4 of human origin
  • recommended for detection of CPSF4 of mouse, rat and human origin by WB, IP, IF and ELISA; also reactive with additional species, including and equine, canine, bovine and porcine
  • m-IgG Fc BP-HRP and m-IgG2a BP-HRP are the preferred secondary detection reagents for CPSF4 Antibody (D-9) for WB applications. These reagents are now offered in bundles with CPSF4 Antibody (D-9) (see ordering information below).
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    CPSF4 Antibody (D-9) is a mouse monoclonal IgG2a antibody that detects CPSF4 in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). CPSF4, also known as Cleavage and polyadenylation specificity factor subunit 4, is a crucial nuclear protein that is part of the CPSF complex, which is essential for the proper processing of pre-mRNA, particularly in the formation of the 3′ end. This protein contains five C3H1-type zinc fingers and one CCHC-type zinc finger, which are important for structural integrity and function. The CPSF complex, composed of multiple subunits, recognizes the AAUAAA signal in pre-mRNA, facilitating RNA cleavage and poly(A) tail synthesis. Notably, CPSF4 interacts with the snRNP-A protein (U1 snRNP-A), which enhances the stability of the CPSF-RNA complex, thereby increasing the efficiency of polyadenylation. The precise regulation of polyadenylation is vital for gene expression, as it influences mRNA stability, translation, and the overall cellular response to various stimuli. anti-CPSF4 antibody (D-9) is an invaluable tool for researchers studying RNA processing and gene regulation mechanisms in various biological contexts.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    CPSF4 Antibody (D-9)

    sc-390643
    200 µg/ml
    $322.00

    CPSF4 Antibody (D-9): m-IgG Fc BP-HRP Bundle

    sc-540827
    200 µg Ab; 10 µg BP
    $361.00

    CPSF4 Antibody (D-9): m-IgG2a BP-HRP Bundle

    sc-546964
    200 µg Ab; 10 µg BP
    $361.00

    What is the recommended fixation method for immunofluorescence staining with CPSF4 (D-9): sc-390643 monoclonal antibody?

    Asked by: Randy McDonald
    Thank you for your inquiry. We recommend fixing cells for 5 minutes in -10°C methanol and allowing to air dry. The full protocol can be viewed here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
    Answered by: Technical Support
    Date published: 2017-03-01
    • y_2026, m_5, d_10, h_13CST
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    Rated 5 out of 5 by from Exceptional immunofluorescence nuclear stainingExceptional immunofluorescence nuclear staining in formalin-fixed HepG2 cells. -SCBT QC
    Date published: 2015-02-04
    Rated 5 out of 5 by from Nice Western Blot data of CPSF4 expressionNice Western Blot data of CPSF4 expression in Jurkat and HeLa whole cell lysates. -SCBT QC
    Date published: 2013-03-18
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    CPSF4 Antibody (D-9) is rated 5.0 out of 5 by 2.
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