| Phylum | Firmicutes |
| Order | Thermoanaerobacterales |
| Organism | Thermoanaerobacter siderophilus |
| Hydrogenase | [NiFe] Group 4e |
| Activity (Predicted) | Evolving |
| Oxygen Tolerance (Predicted) | Sensitive |
| Subunits (Predicted) | 6 |
| Metal Centres (Predicted) | [NiFe]-centre, 1 x [4Fe4S] clusters |
| Accessory Subunits (Predicted) | NuoL, NuoH, NuoC, [FeS] protein |
MIRMSDKSTIPFGPQHPVLPEPIHLKLVVEDEKVVEAYPSFGFVHRGLEMLVQRKDFNQMVYVVDHICGICSAMHGQAYCQAVEELIGIDVPERAKYLRVVWAELHRIHSHLLWFGLLADAFGFENLFMLSWRIREKIMDILEATAGNRVIISVNIVGGVRRDIDTEQAKWLLNELKEVEEGLKELEKIVKNNYTIKQRTVGIGVLSKEDAYMFGAVGPTLRGSGVPIDMRTTGYAAYGNLDFEPVVETDGDTYARTIVRVREMFQSIDLVRQALNKMPEGEINVKVKPNLPAGEVITRVEQPRGEVFYYIKSSGGKNLDRLRIRTPTFANLASLLHMLPGSTLADVPVLVLTIDPCISCTER