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Render Timestamp: 2024-11-27T11:40:54.442Z
Commit: d79925545b26f8827f92d145dadc6f0527debdb1
XML generation date: 2024-08-01 15:24:47.373
Product last modified at: 2024-11-14T15:30:15.272Z
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PDP - Template Name: Polyclonal Antibody
PDP - Template ID: *******59c6464
  1. Products /
  2. Primary Antibodies /
  3. Phospho-PKCδ/θ (Ser643/676) Antibody

Phospho-PKCδ/θ (Ser643/676) Antibody #9376

Filter:
  • WB
  • IHC

    Supporting Data

    REACTIVITY H M R Mk X
    SENSITIVITY Endogenous
    MW (kDa) 78
    SOURCE Rabbit
    Application Key:
    • WB-Western Blotting 
    • IHC-Immunohistochemistry 
    Species Cross-Reactivity Key:
    • H-Human 
    • M-Mouse 
    • R-Rat 
    • Mk-Monkey 
    • X-Xenopus 

    Product Information

    Product Usage Information

    Application Dilution
    Western Blotting 1:1000
    Immunohistochemistry (Paraffin) 1:50

    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-PKCdelta/theta (Ser643/676) Antibody detects endogenous levels of PKCdelta only when phosphorylated at serine 643, and PKCtheta only when phosphorylated at serine 676. This antibody does not cross-react with the phosphorylated PKC isoforms alpha, beta, gamma or epsilon.

    Species Reactivity:

    Human, Mouse, Rat, Monkey, Xenopus

    Source / Purification

    Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser643 of rat PKCdelta. Antibodies are purified by protein A and peptide affinity chromatography.

    Background

    Activation of protein kinase C (PKC) is one of the earliest events in a cascade that controls a variety of cellular responses, including secretion, gene expression, proliferation, and muscle contraction (1,2). PKC isoforms belong to three groups based on calcium dependency and activators. Classical PKCs are calcium-dependent via their C2 domains and are activated by phosphatidylserine (PS), diacylglycerol (DAG), and phorbol esters (TPA, PMA) through their cysteine-rich C1 domains. Both novel and atypical PKCs are calcium-independent, but only novel PKCs are activated by PS, DAG, and phorbol esters (3-5). Members of these three PKC groups contain a pseudo-substrate or autoinhibitory domain that binds to substrate-binding sites in the catalytic domain to prevent activation in the absence of cofactors or activators. Control of PKC activity is regulated through three distinct phosphorylation events. Phosphorylation occurs in vivo at Thr500 in the activation loop, at Thr641 through autophosphorylation, and at the carboxy-terminal hydrophobic site Ser660 (2). Atypical PKC isoforms lack hydrophobic region phosphorylation, which correlates with the presence of glutamic acid rather than the serine or threonine residues found in more typical PKC isoforms. The enzyme PDK1 or a close relative is responsible for PKC activation. A recent addition to the PKC superfamily is PKCμ (PKD), which is regulated by DAG and TPA through its C1 domain. PKD is distinguished by the presence of a PH domain and by its unique substrate recognition and Golgi localization (6). PKC-related kinases (PRK) lack the C1 domain and do not respond to DAG or phorbol esters. Phosphatidylinositol lipids activate PRKs, and small Rho-family GTPases bind to the homology region 1 (HR1) to regulate PRK kinase activity (7).

    Database Links

    UniProt ID: Q05655 , Q04759


    Entrez-Gene Id: 5580 , 5588


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