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S7945 Sigma-Aldrich

Monoclonal Anti-Siah2 antibody produced in mouse

clone Siah2-369, purified immunoglobulin, buffered aqueous solution

Synonym: Anti-Seven in Absentia Homolog



Related Categories Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies for Epigenetics and Nuclear Signaling, Antibodies to E1,E2,E3 Ligase,
conjugate   unconjugated
clone   Siah2-369, monoclonal
biological source   mouse
application(s)   immunocytochemistry: suitable
  indirect ELISA: suitable
  microarray: suitable
  western blot: 2-4 μg/mL using total cell extract of HeLa cells
species reactivity   monkey, canine, hamster, mouse, human, bovine
mol wt   antigen ~37 kDa
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   purified immunoglobulin
isotype   IgG1
antibody product type   primary antibodies
UniProt accession no.   O43255
Gene Information   human ... SIAH2(6478)
mouse ... Siah2(20439)


General description

Monoclonal Anti-Siah2 (mouse IgG1 isotype) is derived from the hybridoma Siah2-369 produced by the fusion of mouse myeloma cells (NS1 cell) and splenocytes from BALB/c mice immunized with a synthetic peptide corresponding to amino acids 2-17 of human Siah2, conjugated to KLH. Seven in absentia homologue (Siah) is encoded by the gene mapped to human chromosome 3q25.1. Three different Siah genes exist in mice, Siah1a, Siah1b, and Siah2, while humans have only two genes, Siah1and Siah2.


synthetic peptide corresponding to amino acids 2-17 of human Siah2, conjugated to KLH.


Monoclonal Anti-Siah2 antibody produced in mouse can be used in enzyme linked immunoassay (ELISA) and immunocytochemistry. It has also been used in immunohistochemistry and immunoblotting.

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 15 mM sodium azide.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Biochem/physiol Actions

Seven in absentia homologue (Siah) plays a role in the regulation of key proteins in the immune system such as TNF receptor associated factors (TRAF), vav guanine nucleotide exchange factor 1 (Vav1), and oct-binding factor 1 (OBF-1). Siah2 is important for the regulation of the PHD enzymes (prolylhydroxylases) that are responsible for the prolyhydroxylation of HIFα protein under hypoxia conditions.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis (COA)

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Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
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Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detection methods, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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