1.14.13.25	pMMO	particulate, membrane-bound enzyme form	-, 438943, 438945, 438946, 438947, 438948, 438949, 438950	
1.14.13.25	sMMO	soluble, cytoplasmic enzyme form	-, 438943, 438945, 438946, 438947, 438948, 438949, 438950	
1.14.13.25	sMMO	multicomponent enzyme	438950	
1.14.13.25	MMOB	cofactor-free, monomeric component of sMMO, has regulatory role in catalysis	685272	
1.14.13.25	MMOH	hydroxylase component of sMMO, contains a binuclear nonheme iron active site that is essential for O2 activation and subsequent methane oxidation	685272	
1.14.13.25	MMOR	reductase component of sMMO, contains a FAD cofactor and a [2Fe-2S] cluster, is responsible for transferring the reducing equivalents from NAD(P)H to MMOH	685272	
1.14.13.25	MMOH	diiron(II) center of the hydroxylase component of soluble methane monooxygenase	726546	
1.14.13.25	sMMO	the enzyme contains three protein components, a 251 kDa hydroxylase (MMOH), a 38.6 kDa reductase (MMOR), and a 15.9 kDa regulatory protein (MMOB) required to couple electron consumption with substrate hydroxylation at the catalytic diiron center of MMOH	728376	
1.14.13.25	chcA, cytoplasmic methane monooxygenase, methane hydroxylase, methane mono-oxygenase, methane monooxygenase, methane monooxygenase hydroxylase, MmMmoC, MMO, MMO Bath, MMOB, MmoC, MMOH, MMOR, oxygenase, methane mono-, particulate methane monooxygenase, pMMO, sMMO, soluble methane monooxygenase, soluble methane monooxygenase hydroxylase	-	-, 438923, 438925, 438929, 438932, 438942, 438943, 438945, 438946, 438948, 438949, 658632, 671477, 671721, 671722, 672049, 672102, 672130, 672690, 673999, 674145, 674158, 674170, 675083, 675455, 676844, 684566, 685262, 685272, 701759, 701836, 703211, 703761, 704019, 704171, 704758, 706752, 711260, 712040, 712199, 726546, 728376, 744098, 744100, 744507, 744688, 744797, 744939, 745039, 745157, 745159, 745177, 745389, 745453, 745535, 745536, 745730, 746420, 764175, 764181, 764188, 764309, 764329, 764425, 764485, 764976, 764980, 765765