ID 1.12.98.1 DE coenzyme F420 hydrogenase. AN 8-hydroxy-5-deazaflavin-reducing hydrogenase. AN coenzyme F420-dependent hydrogenase. AN F420-reducing hydrogenase. CA H(+) + H2 + oxidized coenzyme F420-(gamma-L-Glu)(n) = reduced coenzyme CA F420-(gamma-L-Glu)(n). CC -!- The enzyme from some sources contains selenocysteine. CC -!- The enzyme also reduces the riboflavin analog of F420, flavins and CC methylviologen, but to a lesser extent. CC -!- The hydrogen acceptor coenzyme F420 is a deazaflavin derivative. CC -!- Formerly EC 1.12.99.1. DR P80489, FRHA_METBF ; Q60338, FRHA_METJA ; P19496, FRHA_METTH ; DR Q00390, FRHA_METVO ; P80490, FRHB_METBF ; Q60341, FRHB_METJA ; DR P19499, FRHB_METTH ; Q00391, FRHB_METVO ; P80491, FRHG_METBF ; DR Q60340, FRHG_METJA ; P19498, FRHG_METTH ; Q00393, FRHG_METVO ; //