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Adenylate kinase activity in Mycobacterium leprae
Journal of General Microbiology
|February 1, 1986
Abstract:
Adenylate kinase (ATP:AMP phosphotransferase, EC 2.7.4.3) was detected in partially purified preparations of cell-free extracts of Mycobacterium leprae. The apparent Km values of M. leprae adenylate kinase for ADP and Mg2+ were 1 X 10(-4) M, respectively. The enzyme was heat-labile: loss of activity by 80% at 45 degrees C and over 90% at 60 degrees C occurred within 5 min. M. leprae adenylate kinase was distinct from armadillo adenylate kinase in respect of affinity for substrate and heat-sensitivity.