Kinases in Leuconostoc mesenteroides

AUTOR(ES)

DeMoss, R. D.

RESUMO

Enzyme extracts of Leuconostoc mesenteroides were found to contain at least four separate kinases: one active with glucose, glucosamine, and N-acetylglucosamine; one active with fructose and mannose; and two active with gluconate, one constitutive and one inducible. The molecular sizes of all the kinases, estimated from sucrose gradient centrifugation, are about the same, 37,000 to 50,000 daltons, except the constitutive gluconate kinase, which is about 100,000 daltons. Apparent Michaelis constants were calculated for all of the substrates mentioned. The kinases are separable on triethylaminoethyl cellulose.

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