Date published: 2026-6-4

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BIG1 Antibody (A-11): sc-376866

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Datasheets
  • BIG1 Antibody (A-11) is a mouse monoclonal IgG1 κ, cited in 2 publications, provided at 200 µg/ml
  • raised against amino acids 285-419 mapping within an internal region of BIG1 of human origin
  • recommended for detection of BIG1 of human origin by WB, IP, IF, IHC(P) and ELISA
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for BIG1 Antibody (A-11) for WB and IHC(P) applications. These reagents are now offered in bundles with BIG1 Antibody (A-11) (see ordering information below).
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BIG1 Antibody (A-11) is a mouse monoclonal IgG1 antibody that detects BIG1 in human samples through various applications including western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), immunohistochemistry with paraffin-embedded sections (IHCP), and enzyme-linked immunosorbent assay (ELISA). BIG1 is a guanine nucleotide-exchange protein (GEP) that plays a crucial role in intracellular vesicular trafficking by facilitating the exchange of GDP for GTP, thereby activating ADP-ribosylation factors (ARFs). BIG1 (A-11) monoclonal antibody recognizes BIG1 primarily in the Golgi membranes and cytosol, where BIG1 exists in macromolecular complexes vital for regulatory functions. BIG1 contains a sec7 domain, which is integral to catalytic activity and inhibition by brefeldin A, a compound that disrupts Golgi structure. Anti-BIG1 antibody (A-11) targets a protein that functions as an A kinase-anchoring protein (AKAP) through association with protein kinase A (PKA) regulatory subunits, linking the cAMP signaling pathway with ARF regulation. This multifaceted role underscores BIG1′s importance in cellular processes and highlights its potential as a target for research into vesicular trafficking and related disorders.

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

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

BIG1 Antibody (A-11)

sc-376866
200 µg/ml
$322.00

BIG1 Antibody (A-11): m-IgG Fc BP-HRP Bundle

sc-540657
200 µg Ab; 10 µg BP
$361.00

BIG1 Antibody (A-11): m-IgG1 BP-HRP Bundle

sc-542275
200 µg Ab; 20 µg BP
$361.00

Can BIG1 (A-11): sc-376866 monoclonal antibody be used to stain formalin-fixed, paraffin-embedded (FFPE) tissue sections?

Asked by: AbPolly
Thank you for your question. Yes, BIG1 (A-11): sc-376866 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: 2017-02-27
  • y_2026, m_6, d_3, h_11CST
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Rated 5 out of 5 by from Produced beautiful immunoperoxidase cytoplasmicProduced beautiful immunoperoxidase cytoplasmic staining in formalin fixed, paraffin-embedded human upper stomach tissue. -SCBT QC
Date published: 2015-03-24
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BIG1 Antibody (A-11) is rated 5.0 out of 5 by 2.
  • y_2026, m_6, d_3, h_11
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