| P61818 | DB14546 | 3dfz | SO4 | A | 207 | e3dfzA2 | SSH domain in siroheme synthase middle domains-like | SSH domain in siroheme synthase middle domains-like | SSH domain in siroheme synthase middle domains-like | n/a |
| P61818 | DB14546 | 3dfz | SO4 | A | 207 | e3dfzB2 | SSH domain in siroheme synthase middle domains-like | SSH domain in siroheme synthase middle domains-like | SSH domain in siroheme synthase middle domains-like | Sirohm_synth_M |
| P61818 | DB14546 | 3dfz | SO4 | B | 203 | e3dfzB3 | alpha-helical domain in siroheme synthase middle domains-like | alpha-helical domain in siroheme synthase middle domains-like | alpha-helical domain in siroheme synthase middle domains-like | SirC_C |