1.20.99.1	cytochrome c-551	purified from Hydrogenophaga sp. strain NT-14, 11 kDa, probably a homodimer	
1.20.99.1	Molybdenum	cofactor	
1.20.99.1	pterin	inequivalent P- and Q-pterins coordinated to the molybdenum ion, structure analysis	
1.20.99.1	Pterin molybdenum cofactor	dimeric enzyme contains a reduced molybdenum bis(molybdopterin) center in the larger subunit	
1.20.99.1	Pterin molybdenum cofactor	enzyme is a MoFe protein, Mo atom bound to 2 pterin cofactors and a [3Fe4S] cluster, binding site on the large subunit