Date published: 2026-4-24

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SPT4 Antibody (3079C1a): sc-81384

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Datasheets
  • SPT4 Antibody (3079C1a) is a mouse monoclonal IgG2b provided at 100 µg/ml
  • raised against a recombinant protein corresponding to a region near the C-terminus of SPT4 of human origin
  • recommended for detection of SPT4 of human origin by WB and IP
  • At present, we have not yet completed the identification of the preferred secondary detection reagent(s) for SPT4 Antibody (3079C1a). This work is in progress.
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    SPT4 Antibody (3079C1a) is a mouse monoclonal IgG2b antibody that detects SPT4 in human samples through applications such as western blotting (WB) and immunoprecipitation (IP). SPT4, also known as Suppressor of Ty4, plays a crucial role in the regulation of transcriptional elongation, particularly in the context of the DSIF (DRB-sensitivity-inducing factor) complex, which SPT4 forms with SPT5. This complex is essential for the proper functioning of RNA polymerase II during transcription, as SPT4 directly influences the elongation process. SPT4′s interaction with SPT5 is vital for the recruitment of the P-TEFb complex, which phosphorylates SPT5 and enhances SPT5′s activity as a transcriptional regulator. The phosphorylation state of SPT5 varies between different cell cycle phases, affecting SPT5′s mobility on SDS-PAGE and functional capacity. Understanding the dynamics of SPT4 and SPT5 interactions, as well as their post-translational modifications, is critical for elucidating the mechanisms of transcriptional regulation and the potential implications in various diseases, including cancer.

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

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    SPT4 Antibody (3079C1a)

    sc-81384
    100 µg/ml
    $339.00

    I am using SPT4 (3079C1a): sc-81384 antibody for immunoprecipitation, how much antibody should I use?

    Asked by: DefinitelyNotMatt
    Thank you for your question. We recommend using 1–10 µl (i.e., 0.2–2 µg) of antibody with 1 ml of cell lysate. However, optimal antibody concentration should be determined by titration. Please find our full immunoprecipitation protocol here: https://www.scbt.com/scbt/resources/protocols/immunoprecipitation-western-blots
    Answered by: Technical Support
    Date published: 2017-03-24
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    Rated 3 out of 5 by from Clean band in western Blot analysis of humanClean band in western Blot analysis of human recombinant SPT4 fusion protein. -SCBT QC
    Date published: 2014-10-15
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    SPT4 Antibody (3079C1a) is rated 3.0 out of 5 by 1.
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