| Q9I6N5 | n/a | 4ip2 | EDO | A | 503 | e4ip2A1 | Alpha-lytic protease prodomain-like | UbiD C-terminal domain-like | UbiD C-terminal domain-like | UbiD_C |
| Q9I6N5 | n/a | 4ip2 | EDO | A | 503 | e4ip2A3 | cradle loop barrel | RIFT-related | FMN-binding split barrel | UbiD |
| Q9I6N5 | n/a | 4ip2 | EDO | B | 504 | e4ip2B1 | Alpha-lytic protease prodomain-like | UbiD C-terminal domain-like | UbiD C-terminal domain-like | UbiD_C |
| Q9I6N5 | n/a | 4ip2 | EDO | B | 504 | e4ip2B3 | cradle loop barrel | RIFT-related | FMN-binding split barrel | UbiD |
| Q9I6N5 | n/a | 4ip2 | EDO | C | 502 | e4ip2C4 | cradle loop barrel | RIFT-related | FMN-binding split barrel | UbiD |
| Q9I6N5 | n/a | 4ip2 | EDO | C | 502 | e4ip2C5 | Alpha-lytic protease prodomain-like | UbiD C-terminal domain-like | UbiD C-terminal domain-like | UbiD_C |