Date published: 2026-4-12

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Unc18-1/2 Antibody (D-1): sc-133169

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Datasheets
  • Unc18-1/2 Antibody (D-1) is a mouse monoclonal IgG1 κ provided at 200 µg/ml
  • raised against amino acids 1-300 mapping at the N-terminus of Unc18-1 of human origin
  • Anti-Unc18-1/2 Antibody (D-1) is recommended for detection of Unc18-1 and Unc18-2 of mouse, rat and human origin by WB, IP, IF, IHC(P) and ELISA; also reactive with additional species, including bovine
  • Anti-Unc18-1/2 Antibody (D-1) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP, m-IgG1 BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for Unc18-1/2 Antibody (D-1) for WB and IHC(P) applications. These reagents are now offered in bundles with Unc18-1/2 Antibody (D-1) (see ordering information below).
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    Unc18-1/2 Antibody (D-1) is a mouse monoclonal IgG1 kappa light chain antibody that detects Unc18-1 and Unc18-2 proteins of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry, and enzyme-linked immunosorbent assay (ELISA). Anti-Unc18-1/2 antibody (D-1) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. Unc18-1 and Unc18-2, also known as Syntaxin binding proteins 1 and 2, play a crucial role in regulating exocytosis by acting as chaperone molecules that inhibit Syntaxin interactions with cognate SNARE (soluble NSF attachment protein receptors) proteins. This regulation is vital for maintaining proper neurotransmitter release and cellular communication. Notably, Unc18-1 is phosphorylated at Ser 313, a site targeted by protein kinase C, and at Thr 574, which is regulated by cyclin-dependent kinase 5, both of which modulate interaction with Syntaxin 1A. Unc18-2 co-localizes with Syntaxin 3 at the apical plasma membrane of intestinal, proximal tubule, and collecting duct epithelial cells, highlighting importance in cellular transport processes. Unc18-1 and Unc18-2 mRNA expression in RBL-2H3 mast cells, mouse bone marrow-derived mast cells, and platelets underscores significance in various physiological contexts.

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

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Unc18-1/2 Antibody (D-1)

    sc-133169
    200 µg/ml
    $322.00

    Unc18-1/2 Antibody (D-1): m-IgG Fc BP-HRP Bundle

    sc-528757
    200 µg Ab; 10 µg BP
    $361.00

    Unc18-1/2 Antibody (D-1): m-IgGκ BP-HRP Bundle

    sc-521259
    200 µg Ab, 40 µg BP
    $361.00

    Unc18-1/2 Antibody (D-1): m-IgG1 BP-HRP Bundle

    sc-543114
    200 µg Ab; 20 µg BP
    $361.00

    Unc18-1/2 Antibody (D-1) AC

    sc-133169 AC
    500 µg/ml, 25% agarose
    $424.00

    Unc18-1/2 Antibody (D-1) HRP

    sc-133169 HRP
    200 µg/ml
    $322.00

    Unc18-1/2 Antibody (D-1) FITC

    sc-133169 FITC
    200 µg/ml
    $336.00

    Unc18-1/2 Antibody (D-1) PE

    sc-133169 PE
    200 µg/ml
    $349.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 488

    sc-133169 AF488
    200 µg/ml
    $364.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 546

    sc-133169 AF546
    200 µg/ml
    $364.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 594

    sc-133169 AF594
    200 µg/ml
    $364.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 647

    sc-133169 AF647
    200 µg/ml
    $364.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 680

    sc-133169 AF680
    200 µg/ml
    $364.00

    Unc18-1/2 Antibody (D-1) Alexa Fluor® 790

    sc-133169 AF790
    200 µg/ml
    $364.00

    Can Unc18-1/2 (D-1): sc-133169 monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

    Asked by: jenniferc
    Thank you for your question. Yes, Unc18-1/2 (D-1): sc-133169 has been validated for use in IHC with paraffin-embedded sections. We recommend performing antigen retrieval with sodium citrate buffer (pH 6) and heat. The full protocol can be found here: https://www.scbt.com/scbt/resources/protocols/immunoperoxidase-staining
    Answered by: Technical Support
    Date published: 2017-02-28
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    Rated 5 out of 5 by from Strong band in WB in HeLaStrong band in WB in HeLa, Jurkat and IMR-32 whole cell lysates. -SCBT QC
    Date published: 2015-05-23
    Rated 5 out of 5 by from Produced great immunoperoxidase neuropilProduced great immunoperoxidase neuropil staining in formalin fixed, paraffin-embedded human cerebral cortex tissue. -SCBT QC
    Date published: 2015-04-06
    Rated 5 out of 5 by from Robust signal in WB in mouse transfectedRobust signal in WB in mouse transfected 293T whole cell lysates and mouse brain and rat brain tissue extracts. -SCBT QC
    Date published: 2015-02-09
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    Unc18-1/2 Antibody (D-1) is rated 5.0 out of 5 by 3.
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