Assertion: cytochrome | /r/HasProperty | electron-transfer proteins
Facets:
value: purely
type: DEGREE
Source sentences:
text: The widely accepted, if not quite correct, name of this superfamily is "cytochrome P450" (CYP for short); many people nowadays prefer to call it simply "P450" (in contrast to cytochromes, which are purely electron-transfer proteins, P450s are enzymes).