ID 1.12.1.2 DE hydrogen dehydrogenase. AN bidirectional hydrogenase. AN H2:NAD(+) oxidoreductase. AN hydrogenase. AN NAD-linked hydrogenase. CA H2 + NAD(+) = H(+) + NADH. DR P22317, HOXF_CUPNH ; P22658, HOXF_RHOOP ; P22320, HOXH_CUPNH ; DR P22661, HOXH_RHOOP ; P22318, HOXU_CUPNH ; P22659, HOXU_RHOOP ; DR P22319, HOXY_CUPNH ; P22660, HOXY_RHOOP ; //