| P58815 | n/a | 5a8r | K | A | 604 | e5a8rA1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | A | 604 | e5a8rD2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | D | 605 | e5a8rA1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | D | 605 | e5a8rD2 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | G | 604 | e5a8rG1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | G | 604 | e5a8rJ1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |
| P58815 | n/a | 5a8r | K | J | 606 | e5a8rJ1 | Alpha-beta plaits | Methyl-coenzyme M reductase subunits | Methyl-coenzyme M reductase subunits | MCR_alpha_N |