| Phylum | Euryarchaeota |
| Order | Methanobacteriales |
| Organism | Methanobacterium formicicum |
| Hydrogenase | [NiFe] Group 3c |
| Activity (Predicted) | Bifurcating |
| Oxygen Tolerance (Predicted) | Sensitive |
| Subunits (Predicted) | 4 |
| Metal Centres (Predicted) | [NiFe]-centre, 3 x [4Fe4S] clusters |
| Accessory Subunits (Predicted) | Polyferredoxin, [FeS] protein |
MVTLKMEPVTRIEGHAKITVDLDDAGNVQDTKLHVMEFRGFEKFLQGRNIEEVPRLVPRICGICDVQHHLAAAKAVDACFGFAPDEILPTAYKMRELMSWGSVMHSHALHFYFLAAPDFIAGKDRKTRNVFQIVKDAPEAALQAIELRKNALDLIKATGGRPIHPTSSTPGGISTSLDDETQKDLLKKAQRNVELSVATLELAKPIFEENLDLVKTLGYVETYHTGLVKNGVWDMYDGNVRMKDKEGNPYVEFAPSDYLDYIGEKVKPYSWLKFPYIKDLGYPEGIYRVAPLSRLNVADKMPDAAPLAQEELNEFRNLFGYAQEPLLFHWARLIELLAASECAADALEGDLSGQKFPDALERTAGEGVGIVEASRGTLTHHYACDENGLVTKANIVVATIQNNPAMEMGIQKVAQDYIKPGVEVDDKIFNLMEMVIRAYDPCLSCATHEIDSQMRLATLEVYDSEGNLVKRI