1.1.1.261	sn-glycerol-1-phosphate dehydrogenase	Methanosarcina barkeri	
1.1.1.261	sn-glycerol-1-phosphate dehydrogenase	Methanosarcina barkeri DSM 800	
1.1.98.2	glucose-6-phosphate dehydrogenase (coenzyme-F420)	no activity in Methanosarcina barkeri	
1.1.98.2	glucose-6-phosphate dehydrogenase (coenzyme-F420)	no activity in Methanosarcina barkeri Fusaro	
1.2.7.1	pyruvate synthase	Methanosarcina barkeri	
1.2.7.1	pyruvate synthase	Methanosarcina barkeri DSM 804	
1.2.7.4	anaerobic carbon-monoxide dehydrogenase	Methanosarcina barkeri	
1.2.7.4	anaerobic carbon-monoxide dehydrogenase	Methanosarcina barkeri DSM 800	
1.2.7.12	formylmethanofuran dehydrogenase	Methanosarcina barkeri	
1.3.98.6	AdoMet-dependent heme synthase	Methanosarcina barkeri