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. Author manuscript; available in PMC: 2015 Apr 15.
Published in final edited form as: Biochemistry. 2008 Mar 13;47(14):4228–4236. doi: 10.1021/bi800023a

Table 4.

Kinetic Parameters for the Reduction of DDsaACP by Wild Type and Mutant FabIs

Enzyme kcat (min−1) NADPH
DDsaACP
Km
(μM)a
kcat/Km
(min−1 μM−1)a
Km
(μMb
kcat/Km
(min−1 μM−1)b
WT 130.2 ± 9.1 70.8 ± 6.0 1.8 ± 0.3 4.5 ± 0.5 29.5 ± 5.0
A95V 18.4 ± 0.1 269.4 ± 29.2 0.007 ± 0.001 11.4 ± 1.6 1.7 ± 0.2
I193S - > 1000 0.13 ± 0.02 - 5.1 ± 0.4
F204S 157.3 ± 7.2 429.6 ± 45.0 0.17 ± 0.02 18.4 ± 1.3 7.8 ± 0.7
a

Reactions were carried out with 20 μM DDsaACP;

b

reactions were carried out with 300 μM NADPH.