1.1.99.4	cytochrome	contains 0.91 mol of tightly bound c-type cytochrome per mol of enzyme	389927	
1.1.99.4	cytochrome	contains a cytochrome component	389926	
1.1.99.4	flavin	contains 0.44 mol of covalently bound flavin per mol of enzyme	389927	
1.1.99.4	flavin	contains 8alpha-(N3-histidyl) riboflavin in the dinucleotide form	389924	
1.1.99.4	flavin	flavoprotein	389924, 389926, 389927