| P0DTD1 | n/a | 6xqt | NNA | A | 401 | e6xqtA1 | cradle loop barrel | RIFT-related | FMN-binding split barrel | Peptidase_C30 |
| P0DTD1 | n/a | 6xqt | NNA | A | 401 | e6xqtA2 | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Peptidase_C30 |
| P0DTD1 | n/a | 6xqt | NNA | A | 401 | e6xqtB1 | cradle loop barrel | RIFT-related | FMN-binding split barrel | Peptidase_C30 |
| P0DTD1 | n/a | 6xqt | NNA | B | 401 | e6xqtB1 | cradle loop barrel | RIFT-related | FMN-binding split barrel | Peptidase_C30 |
| P0DTD1 | n/a | 6xqt | NNA | B | 401 | e6xqtB2 | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Peptidase_C30 |
| P0DTD1 | n/a | 7jyc | NNA | A | 401 | e7jycA1 | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Coronavirus main proteinase (3Cl-pro, putative coronavirus nsp2) C-terminal domain | Peptidase_C30 |
| P0DTD1 | n/a | 7jyc | NNA | A | 401 | e7jycA2 | cradle loop barrel | RIFT-related | FMN-binding split barrel | Peptidase_C30 |