Protein S100-B, Polyclonal Antibody

S100B; S-100 protein beta chain; S-100 protein subunit beta; S100 calcium-binding protein B

For Research Use Only. Not for use in diagnostic procedures.

Polyclonal

IgG

Rabbit

Caprylic Acid Ammonium Sulfate Precipitation Purified

Shipped at 4 degree C. Upon delivery aliquot and store at -20 degree C or -80 degree C. Avoid repeated freeze.

Manufactured in an ISO 13485:2003 and EN ISO 13485:2012 Certified Laboratory.

Small volumes of anti-S100-B antibody vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

ELISA (EIA)

10,713 Da

S100 calcium binding protein B

protein S100-B

Protein S100-B

S100B_HUMAN

The protein encoded by this gene is a member of the S100 family of proteins containing 2 EF-hand calcium-binding motifs. S100 proteins are localized in the cytoplasm and/or nucleus of a wide range of cells, and involved in the regulation of a number of cellular processes such as cell cycle progression and differentiation. S100 genes include at least 13 members which are located as a cluster on chromosome 1q21; however, this gene is located at 21q22.3. This protein may function in Neurite extension, proliferation of melanoma cells, stimulation of Ca2+ fluxes, inhibition of PKC-mediated phosphorylation, astrocytosis and axonal proliferation, and inhibition of microtubule assembly. Chromosomal rearrangements and altered expression of this gene have been implicated in several neurological, neoplastic, and other types of diseases, including Alzheimer's disease, Down's syndrome, epilepsy, amyotrophic lateral sclerosis, melanoma, and type I diabetes. [provided by RefSeq, Jul 2008]

S100B: Weakly binds calcium but binds zinc very tightly- distinct s with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-s. Binds to and initiates the activation of STK38 by releasing autoinhibitory intramolecular interactions within the kinase. Interaction with AGER after myocardial infarction may play a role in myocyte apoptosis by activating ERK1/2 and p53/TP53 signaling. Dimer of either two alpha chains, or two beta chains, or one alpha and one beta chain. The S100B dimer binds two molecules of STK38. Interacts with AGER. The S100B dimer interacts with two molecules of CAPZA1. Although predominant among the water-soluble brain proteins, S100 is also found in a variety of other tissues. Belongs to the S-101 family.

Protein type: Calcium-binding

Chromosomal Location of Human Ortholog: 21q22.3

Cellular Component: cell soma; cytoplasm; extracellular region; extracellular space; intracellular membrane-bound organelle; nucleus; perinuclear region of cytoplasm; ruffle

Molecular Function: calcium ion binding; calcium-dependent protein binding; identical protein binding; protein binding; protein homodimerization activity; RAGE receptor binding; tau protein binding; zinc ion binding

Biological Process: astrocyte differentiation; axonogenesis; cell proliferation; central nervous system development; innate immune response; learning and/or memory; memory; positive regulation of apoptosis; positive regulation of cell proliferation; positive regulation of I-kappaB kinase/NF-kappaB cascade; regulation of cell shape; regulation of neuronal synaptic plasticity; response to glucocorticoid stimulus; response to methylmercury

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