ID 1.12.1.2 DE Hydrogen dehydrogenase. AN Bidirectional hydrogenase. AN H(2):NAD(+) oxidoreductase. AN Hydrogenase. AN NAD-linked hydrogenase. CA H(2) + NAD(+) = H(+) + NADH. CF FAD or FMN; Iron-sulfur; Nickel. DR P22317, HOXF_RALEH ; P22658, HOXF_RHOOP ; P22320, HOXH_RALEH ; DR P22661, HOXH_RHOOP ; P22318, HOXU_RALEH ; P22659, HOXU_RHOOP ; DR P22319, HOXY_RALEH ; P22660, HOXY_RHOOP ; //