| P11558 | n/a | 5a0y | CL | A | 565 | e5a0yA2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P11558 | n/a | 5a0y | CL | D | 559 | e5a0yD2 | 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 |
| P11558 | n/a | 5g0r | CL | A | 1551 | e5g0rA2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P11558 | n/a | 5g0r | CL | A | 1551 | e5g0rD2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |