1.6.99.5

energy conserving hydrogenase B putative transmembrane subunit (NCBI)
Hydrogenase, CooM subunit, putative
Ech hydrogenase, subunit EchA, putative
NADH-quinone oxidoreductase chain D (NADH dehydrogenase I, chain D) (RefSeq)
NADH-quinone oxidoreductase chain F (NADH dehydrogenase I, chain F) (RefSeq)
NADH-quinone oxidoreductase chain G (NADH dehydrogenase I, chain G) (RefSeq)