this band is split at 77 k , with peak positions at 547 nanometers ( cytochrome c ) and 552 nanometers ( cytochrome c ( 1 ) ) .redox titrations , analyzed according to a new method ( denis , neau , blein 1980 bioelectrochem bioenerg 7 : 757-773 ) , also yielded the resolution of two species of b-type and c-type cytochromes .
C0030012
redox
C0010798
cytochromes