ID 1.5.99.9 DE Methylenetetrahydromethanopterin dehydrogenase. AN 5,10-methylenetetrahydromethanopterin dehydrogenase. AN N(5),N(10)-methylenetetrahydromethanopterin dehydrogenase. CA 5,10-methylenetetrahydromethanopterin + coenzyme F420 = 5,10- CA methenyltetrahydromethanopterin + reduced coenzyme F420. CC -!- Coenzyme F420 is a 7,8-didemethyl-8-hydroxy-5-deazariboflavin CC derivative; methanopterin is a pterin analog. CC -!- The enzyme is involved in the formation of methane from CO(2) in CC Methanobacterium thermoautotrophicum. DR O29544, MTD_ARCFU ; A6UWS1, MTD_META3 ; Q8THT2, MTD_METAC ; DR Q58441, MTD_METJA ; P94951, MTD_METKA ; A4FZG7, MTD_METM5 ; DR A6VJ05, MTD_METM7 ; Q8PXV8, MTD_METMA ; Q6M099, MTD_METMP ; DR Q50501, MTD_METTH ; P55300, MTD_METTM ; A6URY5, MTD_METVS ; //