Enzymatic synthesis of sialic acid 9-phosphates.

7Jourdian, G. W., and S. Roseman, Abstracts, 137th Meeting of the American Chemical Society, 1960, p. 47C. 8 Byrne, W. L., and H. A. Lardy, Biochim. et Biophys. Acta, 14, 495-601 (1954). 9 Dische, Z., and Borenfreund, E., J. Biol. Chem., 180, 1297-1300 (1949). 10 Ballou, C. E., Arch. Biochem. & Biophys., 78, 328-333 (1958). 11 Warren, L., and H. Felsenfeld, Biochem. Biophys. Res. Comm., 4, 232-235 (1961); Federation Proc., 20, 80 (1961). These authors have extended the data presented in the two communications and have demonstrated that their fraction II is a kinase which converts N-acetyl-D-mannosamine to the 6-phosphate ester. (45th Annual Meeting of the Federation of Am. Soc. Exptl. Biol., Atlantic City, N. J., April 1961.) 12 Blix, G., in Proceedings of Symposium Number 1, "Carbohydrate Chemistry of Substances of Biological Interest," Fourth Meeting of the International Congress of Biochemistry, ed. M. L. Wolfrom 1958, pp. 94-106.