Date published: 2026-5-16

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Munc13-1/2/3 Antibody (32): sc-136182

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  • Munc13-1/2/3 Antibody (32) is a mouse monoclonal IgG1 κ Munc13-1/2/3 antibody provided at 200 µg/ml
  • raised against amino acids 621-834 of Munc13-1 of rat origin
  • recommended for detection of Munc13-1, Munc13-2 and Munc13-3 of mouse and rat origin by WB, IP and IF
  • m-IgGκ BP-HRP is the preferred secondary detection reagent for Munc13-1/2/3 Antibody (32) for WB applications. This reagent is now offered in a bundle with Munc13-1/2/3 Antibody (32) (see ordering information below). For additional m-IgGκ BP conjugates see our complete list of Mouse IgG Binding Proteins.
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    Munc13-1/2/3 Antibody (32) is a mouse monoclonal IgG1 kappa light chain antibody that detects Munc13-1/2/3 protein of mouse and rat origin by western blotting (WB), immunoprecipitation (IP), and immunofluorescence (IF). Munc13-1/2/3 (32) antibody is available as the non-conjugated form. Munc13 proteins, which include Munc13-1, Munc13-2, and Munc13-3, are critical components of synaptic transmission, primarily expressed in neurons, with Munc13-2 also having a splice variant that is ubiquitously expressed. These proteins play a vital role in the regulation of neurotransmitter release by binding to Syntaxin, a key player in the exocytosis process. Munc13-1, in particular, is essential for synaptic vesicle maturation and is involved in the central priming function necessary for the exocytosis of synaptic vesicles at glutamatergic synapses. The presence of phorbol ester binding C1- and C2-domains within Munc13 proteins allows them to interact with calcium, phospholipids, and diacylglycerol, which are crucial for their regulatory functions. Munc13-1 is predominantly localized in presynaptic terminals, where Munc13-1 interacts with Doc2α and msec7-1, facilitating the co-localization of these proteins at the active zone, a specialized area of the presynaptic membrane characterized by high membrane turnover. Munc13-2 is expressed in rostral brain regions, while Munc13-3 is primarily found in the cerebellum, highlighting the diverse roles these proteins play in neuronal function and signaling.

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

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    Munc13-1/2/3 Antibody (32) References:

    1. Munc13-1 is essential for fusion competence of glutamatergic synaptic vesicles.  |  Augustin, I., et al. 1999. Nature. 400: 457-61. PMID: 10440375
    2. Direct interaction between the ARF-specific guanine nucleotide exchange factor msec7-1 and presynaptic Munc13-1.  |  Neeb, A., et al. 1999. Eur J Cell Biol. 78: 533-8. PMID: 10494859
    3. Definition of Munc13-homology-domains and characterization of a novel ubiquitously expressed Munc13 isoform.  |  Koch, H., et al. 2000. Biochem J. 349: 247-53. PMID: 10861235
    4. The cerebellum-specific Munc13 isoform Munc13-3 regulates cerebellar synaptic transmission and motor learning in mice.  |  Augustin, I., et al. 2001. J Neurosci. 21: 10-7. PMID: 11150314
    5. Mammalian homologues of Caenorhabditis elegans unc-13 gene define novel family of C2-domain proteins.  |  Brose, N., et al. 1995. J Biol Chem. 270: 25273-80. PMID: 7559667
    6. Role of the Doc2 alpha-Munc13-1 interaction in the neurotransmitter release process.  |  Mochida, S., et al. 1998. Proc Natl Acad Sci U S A. 95: 11418-22. PMID: 9736751
    7. Differential expression of two novel Munc13 proteins in rat brain.  |  Augustin, I., et al. 1999. Biochem J. 337 (Pt 3): 363-71. PMID: 9895278

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Munc13-1/2/3 Antibody (32)

    sc-136182
    200 µg/ml
    $322.00

    Munc13-1/2/3 Antibody (32): m-IgGκ BP-HRP Bundle

    sc-521338
    200 µg Ab, 40 µg BP
    $361.00

    If I use Munc 13-1/2/3 primary antibody, is it possible to differentiate which one is Munc 13-1/ Munc 13-2/Munc 13-3 by using Immunohistochemistry (DAB method) or immunofluorescence

    Asked by: MUTHURAJU
    Thank you for your question. No, the antibody will detect all three forms and you will not be able to differentiate between them, unless they localize differently in the cells. If you need to differentiate, I would recommend using 3 different antibodies that are already conjugated to fluorochromes. It would be difficult to differentiate using DAB.
    Answered by: Tech Service
    Date published: 2020-02-21

    I am using Munc13-1/2/3 (32): sc-136182 for immunofluorescence, what dilution of this antibody should I use?

    Asked by: cjMara
    Thank you for your question. We recommend a starting dilution of 1:50. However, optimal antibody concentration should be determined by titration. Please find our full immunofluorescence protocol here: https://www.scbt.com/scbt/resources/protocols/immunofluorescence-cell-staining
    Answered by: Technical Support
    Date published: 2017-03-24
    • y_2026, m_5, d_14, h_12CST
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    Rated 5 out of 5 by from Good for Western BlotAntibody detects Munc13-1/2/3 in mouse Munc13-2 transfected 293T: sc-178969 and truncated mouse Munc13-3 transfected 293T:sc-121868 whole cell lysates and mouse brain tissue extract by Western blot. -SCBT QC
    Date published: 2023-09-14
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    Munc13-1/2/3 Antibody (32) is rated 3.5 out of 5 by 2.
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