Lyophilized. Lyophilized from 5 mM Tris-HCl, 5 mM EDTA, 5 mM 2-mercaptoethanol, pH 7.5. S-100 protein purified from human brain. A calcium-binding protein found in neuronal tissue, principally in the cytoplasm of glial cells. Also found in chondrocytes, T lymphocytes, and skin. Purity: ≥98% by SDS-PAGE. Prepared from tissues of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. |