| A0A1C7D1E2 | n/a | 5a8k | CA | B | 444 | e5a8kB1 | Methyl-coenzyme M reductase alpha and beta chain-C | Methyl-coenzyme M reductase alpha and beta chain-C | Methyl-coenzyme M reductase alpha and beta chain-C | MCR_beta |
| A0A1C7D1E2 | n/a | 5a8k | CA | B | 444 | e5a8kB2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_beta_N |
| A0A1C7D1E2 | n/a | 5a8k | CA | E | 444 | e5a8kE1 | Methyl-coenzyme M reductase alpha and beta chain-C | Methyl-coenzyme M reductase alpha and beta chain-C | Methyl-coenzyme M reductase alpha and beta chain-C | MCR_beta |