CMP-N-Acetylneuraminic Acid Synthetase CMP-Neu5Ac Synthetase Liquid. In 150 mM NaCl, 50 mM MOPS, 50% glycerol, pH 7.5. Recombinant Neisseria meningitidis CMP-Sialic Acid Synthetase expressed in E. coli. Catalyzes the formulation of CMP-sialic acid from CTP and sialic acid. Specific activity: ≥15 units/mg protein. One unit is defined as the amount of enzyme that will catalyze the formation of 1.0 µmol CMP-sialic acid from CTP and sialic acid per min at 37°C, pH 9.5. Purity: ≥90% by SDS-PAGE. EC 2.7.7.43. M.W. 45,000 (homodimer). Ref.: Mosimann, S.C., et al. 2001. J. Biol. Chem. 276, 8190. Samuels, N.M., et al.1999. Biochemistry. 38, 6195. Ganguli, S., et al. 1994. J. Bacteriol. 176, 4583. Edwards, U., and Frosch, M. 1992. FEMS Microbiol. Lett. 75, 161. Kean, E.L. 1991. Glycobiology 1, 441. Masson, L, and Holbein, B.E. 1983. J. Bacteriol. 154, 728. |