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. 1975 Oct;124(1):562-3.
doi: 10.1128/jb.124.1.562-563.1975.

Glucose-6-phosphate-dependent pyruvate kinase in Streptococcus mutans

T Yamada, J Carlsson

Glucose-6-phosphate-dependent pyruvate kinase in Streptococcus mutans

T Yamada et al. J Bacteriol. 1975 Oct.

Abstract

Pyruvate kinase of Streptococcus mutans JC 2 had an absolute and specific requirement for glucose-6-phosphate. Inorganic phosphate was a strong inhibitor. The enzyme required K+ or NH4+ and Mg2+ or Mn2+. S. mutans FIL and E 49, Streptococcus bovis ATCC 9809, and Streptococcus salivarius ATCC 13419 had also glucose-6-phosphate-dependent pyruvate kinases, whereas Streptococcus sanguis NCTC 10904 had an enzyme activated by fructose-1,6-diphosphate.

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