Lyophilized. Lyophilized from NH4HCO3, 50 µM DTT, pH 8.0. Native homodimeric S-100b isoform composed of bb-subunits, purified from bovine brain. Elevated serum level of S-100b is used as a marker of stroke and cerebral edema. Purity: ≥95% by SDS-PAGE. Contaminants: S100 a-chain: ≤10% by HPLC. Ref.: Momotani, E., et al. 1993. J. Comp. Pathol. 108, 291. Baudier, J., et al. 1992. Proc. Natl. Acad. Sci. USA 89, 11627. Donato, R. 1991. Cell Calcium 12, 713. Isobe, T., et al. 1977. Biochim. Biophys. Acta 494, 222. |