Rabbit Anti-S-100 monoclonal antibody, clone KN62-42

Rabbit Anti-S-100 monoclonal antibody for WB, IP, IHC, FC. The family of EF-hand type Ca2+-binding proteins includes calbindin (previously designated vitamin D-dependent Ca2+-binding protein), S-100 ? and ?, calgranulins A (also designated MRP8), B (also designated MRP14) and C (S-100 like proteins), and the parvalbumin family members, including parvalbumin ? and parvalbumin ? (also designated oncomodulin). The S-100 protein is involved in the regulation of cellular processes such as cell cycle progression and differentiation. Research also indicates that the S-100 protein may function in the activation of Ca2+ induced Ca2+ release, inhibition of microtubule assembly and inhibition of protein kinase C mediated phosphorylation. Two S-100 subunits, sharing 60% sequence identity, have been described as S-100 ? chain and S-100 ? chain. Three S-100 dimeric forms have been characterized, differing in their subunit composition of either two ? chains, two ? chains or one ? and one ? chain. S-100 localizes to the cytoplasm and nuclei of astrocytes, Schwann's cells, ependymomas and astrogliomas. S-100 is also detected in almost all benign naevi, malignant melanocytic tumours and in Langerhans cells in the skin. Calbindin, S-100 proteins and parvalbumin proteins are each expressed in neural tissues. In addition, S-100 ? and ? are present in a variety of other tissues, and calbindin is present in intestine and kidney.

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