Date published: 2026-6-4

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Syntaxin 11 Antibody (A-4): sc-377121

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Datasheets
  • Syntaxin 11 Antibody (A-4) is a mouse monoclonal IgG2a κ Syntaxin 11 antibody, cited in 2 publications, provided at 200 µg/ml
  • raised against amino acids 147-266 mapping near the C-terminus of Syntaxin 11 of human origin
  • Syntaxin 11 Antibody (A-4) is recommended for detection of Syntaxin 11 of human origin by WB, IP, IF and ELISA
  • Anti-Syntaxin 11 Antibody (A-4) 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-IgG2a BP-HRP and m-IgGκ BP-HRP are the preferred secondary detection reagents for Syntaxin 11 Antibody (A-4) for WB applications. These reagents are now offered in bundles with Syntaxin 11 Antibody (A-4) (see ordering information below).
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Syntaxin 11 Antibody (A-4) is a mouse monoclonal IgG2a kappa light chain antibody that detects Syntaxin 11 of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-Syntaxin 11 antibody (A-4) 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. Syntaxin 11, also known as STX11, FHL4, HLH4, or HPLH4, is a 287 amino acid protein that plays a crucial role in intracellular membrane fusion processes, particularly in the transport of proteins between the trans-Golgi network and late endosomes. Syntaxin 11 contains a t-SNARE coiled-coil homology domain, which is essential for mediating vesicle fusion. Proper localization of Syntaxin 11 to the membrane of the trans-Golgi network is vital for maintaining cellular homeostasis and ensuring efficient protein trafficking. Disruptions in Syntaxin 11 function can lead to severe consequences, such as familial hemophagocytic lymphohistiocytosis type 4 (FHL4), a genetic disorder characterized by a hyper-inflammatory response, which can result in symptoms like fever, hepatosplenomegaly, and neurological deficits. Syntaxin 11′s ability to interact with other proteins, such as SNAP-23 and VAMP, further underscores its importance in the regulation of vesicular transport and highlights the potential implications of its dysfunction in various diseases.

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

Syntaxin 11 Antibody (A-4) References:

  1. Syntaxin 11 is associated with SNAP-23 on late endosomes and the trans-Golgi network.  |  Valdez, AC., et al. 1999. J Cell Sci. 112 (Pt 6): 845-54. PMID: 10036234
  2. Linkage of familial hemophagocytic lymphohistiocytosis (FHL) type-4 to chromosome 6q24 and identification of mutations in syntaxin 11.  |  zur Stadt, U., et al. 2005. Hum Mol Genet. 14: 827-34. PMID: 15703195
  3. Mutations of syntaxin 11 and SNAP23 genes as causes of familial hemophagocytic lymphohistiocytosis were not found in Japanese people.  |  Yamamoto, K., et al. 2005. J Hum Genet. 50: 600-603. PMID: 16180048
  4. Mutation spectrum in children with primary hemophagocytic lymphohistiocytosis: molecular and functional analyses of PRF1, UNC13D, STX11, and RAB27A.  |  Zur Stadt, U., et al. 2006. Hum Mutat. 27: 62-8. PMID: 16278825
  5. Defective cytotoxic lymphocyte degranulation in syntaxin-11 deficient familial hemophagocytic lymphohistiocytosis 4 (FHL4) patients.  |  Bryceson, YT., et al. 2007. Blood. 110: 1906-15. PMID: 17525286
  6. Cutting edge: syntaxin 11 regulates lymphocyte-mediated secretion and cytotoxicity.  |  Arneson, LN., et al. 2007. J Immunol. 179: 3397-401. PMID: 17785771
  7. Characterization of PRF1, STX11 and UNC13D genotype-phenotype correlations in familial hemophagocytic lymphohistiocytosis.  |  Horne, A., et al. 2008. Br J Haematol. 143: 75-83. PMID: 18710388
  8. Syntaxin 11: a member of the syntaxin family without a carboxyl terminal transmembrane domain.  |  Tang, BL., et al. 1998. Biochem Biophys Res Commun. 245: 627-32. PMID: 9571206

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Syntaxin 11 Antibody (A-4)

sc-377121
200 µg/ml
$322.00

Syntaxin 11 Antibody (A-4): m-IgG Fc BP-HRP Bundle

sc-529980
200 µg Ab; 10 µg BP
$361.00

Syntaxin 11 Antibody (A-4): m-IgGκ BP-HRP Bundle

sc-523198
200 µg Ab, 40 µg BP
$361.00

Syntaxin 11 Antibody (A-4): m-IgG2a BP-HRP Bundle

sc-551257
200 µg Ab; 10 µg BP
$361.00

Syntaxin 11 Antibody (A-4) AC

sc-377121 AC
500 µg/ml, 25% agarose
$424.00

Syntaxin 11 Antibody (A-4) HRP

sc-377121 HRP
200 µg/ml
$322.00

Syntaxin 11 Antibody (A-4) FITC

sc-377121 FITC
200 µg/ml
$336.00

Syntaxin 11 Antibody (A-4) PE

sc-377121 PE
200 µg/ml
$349.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 488

sc-377121 AF488
200 µg/ml
$364.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 546

sc-377121 AF546
200 µg/ml
$364.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 594

sc-377121 AF594
200 µg/ml
$364.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 647

sc-377121 AF647
200 µg/ml
$364.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 680

sc-377121 AF680
200 µg/ml
$364.00

Syntaxin 11 Antibody (A-4) Alexa Fluor® 790

sc-377121 AF790
200 µg/ml
$364.00

For best results, do I dilute Syntaxin 11 antibody in 5% Milk in TBST or 5% BSA in TBST?

Asked by: abed
Thank you for your question. We recommend blocking, and incubating both primary and secondary antibody in 5% nonfat milk in TBST (0.05% Tween-20).
Answered by: Technical Support
Date published: 2019-07-23

It says recommended for IF. Do you have any images?

Asked by: alexmm
Thank you for your question. We have not yet tested this specific mouse monoclonal, Syntaxin 11, sc-377121, for IF so we do not have any specific recommendations we can offer at this time for this research application. However, the antibody has been tested in Western blot and ELISA, so we believe it should also work for IF based on experience and in house testing. The antibody is warrantied for IF use, so if it does not perform as expected in IF applications, we will be happy to replace, credit or refund your purchase! If you have any further questions, please contact Technical Service by phone, (800)-457-3801 option 2, email <scbt@scbt.com>, or by live chat directly on our website, www.scbt.com.
Answered by: Tech Service
Date published: 2017-04-26

What is the recommended starting dilution for Western blot for sc-377121: Syntaxin 11 (A-4) monoclonal antibody?

Asked by: AbPolly
The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, is available in the recommended protocol: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
Answered by: Technical Support
Date published: 2017-03-22
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Rated 5 out of 5 by from Produced positive Western blot data of SyntaxinProduced positive Western blot data of Syntaxin 11 expression in human spleen tissue extract and human PBL whole cell lysate . -SCBT QC
Date published: 2013-03-22
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Syntaxin 11 Antibody (A-4) is rated 5.0 out of 5 by 1.
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