| Q7MSJ8 | n/a | 4rkn | SO3 | A | 912 | e4rknA1 | Multiheme cytochromes | Outer membrane cytochrome MtrF | Outer membrane cytochrome MtrF | Mtrc-MtrF_II-IV_dom |
| Q7MSJ8 | n/a | 4rkn | SO3 | B | 911 | e4rknB1 | Multiheme cytochromes | Outer membrane cytochrome MtrF | Outer membrane cytochrome MtrF | Mtrc-MtrF_II-IV_dom |
| Q7MSJ8 | n/a | 4rkn | SO3 | C | 911 | e4rknC1 | Multiheme cytochromes | Outer membrane cytochrome MtrF | Outer membrane cytochrome MtrF | Mtrc-MtrF_II-IV_dom |
| Q7MSJ8 | n/a | 4rkn | SO3 | D | 912 | e4rknD1 | Multiheme cytochromes | Outer membrane cytochrome MtrF | Outer membrane cytochrome MtrF | Mtrc-MtrF_II-IV_dom |