1.7.3.6	cytochrome c554	-	741887	
1.7.3.6	cytochrome P-460	one heme in each HAO monomer is a highly unusual heme P460 that is the site of catalysis. Heme P460 contains two covalent cross-links between the porphyrin and a Tyr residue, structure analysis, overview	741887	
1.7.3.6	heme	-	721442	
1.7.3.6	heme	hydroxylamine oxidoreductase is a 24-heme homotrimeric enzyme	741887	
1.7.3.6	additional information	does not contain cytochrome	723384	
1.7.3.6	additional information	non-heme iron enzyme	394345