ID 1.5.98.1 DE methylenetetrahydromethanopterin dehydrogenase. AN 5,10-methylenetetrahydromethanopterin dehydrogenase. AN N(5),N(10)-methylenetetrahydromethanopterin dehydrogenase. CA 5,10-methylenetetrahydromethanopterin + 2 H(+) + oxidized coenzyme F420- CA (gamma-L-Glu)(n) = 5,10-methenyl-5,6,7,8-tetrahydromethanopterin + CA reduced coenzyme F420-(gamma-L-Glu)(n). 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 CO2 in CC Methanobacterium thermoautotrophicum. CC -!- Formerly EC 1.5.99.9. DR O29544, MTD_ARCFU ; A6UWS1, MTD_META3 ; Q8THT2, MTD_METAC ; DR A7I5N7, MTD_METB6 ; Q2FU89, MTD_METHJ ; Q58441, MTD_METJA ; DR P94951, MTD_METKA ; A2SPK1, MTD_METLZ ; A4FZG7, MTD_METM5 ; DR A6VJ05, MTD_METM7 ; Q8PXV8, MTD_METMA ; A3CSZ5, MTD_METMJ ; DR Q6M099, MTD_METMP ; B8GJQ7, MTD_METPE ; A5UMI1, MTD_METS3 ; DR Q2NHQ2, MTD_METST ; Q50501, MTD_METTH ; P55300, MTD_METTM ; DR A6URY5, MTD_METVS ; //