Fig. 2From: Customized exogenous ferredoxin functions as an efficient electron carrierStructural comparison of reductase domain of TDO and PRF. The cartoon and surface representation of the reductase domain of TDO (a) and PRF (b). NADH-binding domain is shown in sallow and FAD/FMN-binding domain is shown in pink, FAD and FMN are represented by sticksBack to article page