| H7CHY1 | n/a | 5a8k | F43 | A | 1550 | e5a8kA1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| H7CHY1 | n/a | 5a8k | F43 | A | 1550 | e5a8kA2 | 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_alpha |
| H7CHY1 | n/a | 5a8k | F43 | A | 1550 | e5a8kD2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| H7CHY1 | n/a | 5a8k | F43 | D | 1550 | e5a8kA1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| H7CHY1 | n/a | 5a8k | F43 | D | 1550 | e5a8kD1 | 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_alpha |