( 5 ) from experiments in which the change in redox states of cytochrome b1 and c-551 were related to the rate of binding of cyanide to cytochrome d , it is concluded that the cytochromes b1 and d are located in the main pathway to oxygen , whereas cytochrome c-551 functions in the branch via cytochrome o .
C0056960
cytochrome d
C0010798
cytochrome