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S2644 Sigma-Aldrich

Anti-S-100 antibody produced in rabbit

IgG fraction of antiserum, buffered aqueous solution



Related Categories Alphabetical Index, Antibodies, Antibodies against Proteins/Bioactives/Markers/Receptors for Stem Cell Biology, Antibodies for Cell Biology, Antibodies for Neural Stem Cells,
conjugate   unconjugated
clone   polyclonal
biological source   rabbit
application(s)   immunohistochemistry (formalin-fixed, paraffin-embedded sections): 20-100 μg/mL using sections of human or rat cerebellum
  microarray: suitable
species reactivity   human, guinea pig, rat, bovine
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   IgG fraction of antiserum
antibody product type   primary antibodies
UniProt accession no.   P60903
Gene Information   rat ... S100a10(81778)


General description

S-100 (S100 calcium binding protein A10) belongs to the EF-hand-containing S100 protein family. It is also termed as calpactin light chain, p11 or annexin 2 light chain. This gene is located on human chromosome 1q21.

S100 calcium binding protein A10 (S-100) is located on rat chromosome 2q34. It is also termed as p11.

The S-100 protein family consists of around 16 calcium binding proteins that have distinct tissue specific expression patterns. S-100 proteins are widely expressed in neural and non-neural cell types, as well as in several cancers. These proteins regulate a broad range of cellular functions such as cell growth, signaling, cell structure, and energy metabolism . In immunohistology, the product specifically stains the S-100 protein. The product binds to S-100 protein in human, rat, guinea pig, and bovine. In the brain, the antibody can be used to stain glial and ependymal cells, as well as Schwann cells of the peripheral nervous system. In the skin, melanocytes and Langerhans cells can be stained by the antibody product. In lymph nodes, interdigitating reticulum cells are positively stained by anti-S-100 antibody. S-100 staining can be observed in almost all human benign and malignant melanocytic tumors.


S-100 from bovine brain


Anti-S-100 antibody has been used in immunocytochemistry,[25} immunofluorescence and immunostaining.

Anti-S-100 antibody is suitable for use in microarray, and immunohistochemistry (in formalin-fixed, paraffin-embedded sections, or using a conc. of 20-100 μg/mL in sections of human or rat cerebellum). The antibody may also be used in immunoelectrophoresis.

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

S-100 (S100 calcium binding protein A10) is required for trafficking of TRPV5 and TRPV6 (epithelial Ca2+ channels). S100A10 along with annexin 2, participates in several biological processes such as endocytosis, exocytosis and membrane-cytoskeleton interactions. It controls plasma membrane ion channels and cytosolic phospholipase A2.

S100 calcium binding protein A10 (S-100) plays an important role in depression-like character in rodents. In rat ventricular cardiomyocytes, p11 regulates calcium handling through 5-HT4R pathway.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Milli-Q® Water Purification Solutions
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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