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. 2010 May 15;66(Pt 6):673–684. doi: 10.1107/S0907444910008851

Table 2. Substrate-binding mutants of tartrate dehydrogenase.

Enzyme form kcat (min−1) kcat (%) KmalateM) kcat/Kmalate (M−1 s−1) KNADM) kcat/KNAD (M−1 s−1)
Native 390 ± 4 100 79 ± 3 8.2 × 104 25.0 ± 0.4 2.6 × 105
R98L          
R98Q 10.5 ± 0.1 2.6 98 ± 2 1.8 × 103 96 ± 2 1.8 × 103
R108L 5.2 ± 0.9 1.3 180 ± 30 4.8 × 102 240 ± 40 3.6 × 102
R108Q 34.6 ± 1.8 8.7 93 ± 18 6.2 × 103 135 ± 26 4.3 × 103

Not expressed in stable form.