| CDS description | CDS accession | Island | Host Description |
|---|
| McrA | NC_006270:741731:756656 | NC_006270:741731 | Bacillus licheniformis ATCC 14580, complete genome |
| methyl-coenzyme M reductase, alpha subunit, McrA | NC_009515:853932:864381 | NC_009515:853932 | Methanobrevibacter smithii ATCC 35061, complete genome |
| methyl-coenzyme M reductase, alpha subunit, McrA | NC_009515:967600:977489 | NC_009515:967600 | Methanobrevibacter smithii ATCC 35061, complete genome |
| methyl coenzyme M reductase I, subunit alpha (mcrA) | NC_000909:762859:771822 | NC_000909:762859 | Methanocaldococcus jannaschii DSM 2661, complete genome |