| D1JBK2 | n/a | 3sqg | 1PE | E | 434 | e3sqgE1 | 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 |
| D1JBK2 | n/a | 3sqg | 1PE | E | 434 | e3sqgE2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_beta_N |
| D1JBK2 | n/a | 3sqg | 1PE | H | 434 | e3sqgH1 | 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 |
| D1JBK2 | n/a | 3sqg | 1PE | H | 434 | e3sqgH2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_beta_N |