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. 2009 Apr 10;284(15):9937–9946. doi: 10.1074/jbc.M900719200

TABLE 1.

Apparent steady-state kinetic parameters of KshAB of M. tuberculosis

Experiments were performed using 0.1 m potassium phosphate, pH 7.0, at 25 °C. Values reported in parentheses represent S.E.

Substrate kcat Km kcat/Km
s-1 μm m-1s-1
ADD 0.80 (0.05) 110 (20) 7600 (700)
AD 0.07 (0.01) 24 (16) 3000 (2000)
O2a >7 >1200 2450 (80)
a

Determined in the presence of 380 μm ADD.