6 component system: The H2:Heterodisulfide Oxidoreductase (HHO) Family
| T2K7C6 | Hydrogenase-1 small subunit |
|---|---|
| T2K6Q3 | Ni/Fe-hydrogenase 1 b-type cytochrome subunit HyaC2 |
| T2K766 | Hydrogenase-1 operon protein HyaD |
| T2K646 | Hydrogenase-1 operon protein HyaE |
| T2K7M7 | Hydrogenase-1 operon protein HyaF2 |
| T2K7N8 | Uptake hydrogenase-1 large subunit |