Assertion: cytochrome's heme | /r/CapableOf | contribute to the absorbance
Facets:
value: equally
type: MANNER
Source sentences:
text: STCconcentration was calculated from its absorbance at 419 nm using the differential extinction coefficient of 71 427 Mcmobtained assuming each heme contributes equally to the absorbance of tetra-Fe(III) and tetra-Fe(II)