Mutation

NADH oxidation

Disulfide-thiol interchange

µmoles/min/mg protein

Wild type

0.81 ± 0.04

1.00 ± 0.16

G570A

0.09 ± 0.05*

0.25 ± 0.02*

C463A

0.12 ± 0.06**

0.01 ± 0.01**

C534A

0.33 ± 0.07**

0.19 ± 0.06**

Y468A

0.18 ± 0.05**

0.25 ± 0.02*

Y479A

0.80 ± 0.01

0.95 ± 0.16

Y531A

0.02 ± 0.01**

0.07 ± 0.01**