| P0ACT4 | DB00759 | 2trt | TAC | A | 222 | e2trtA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00759 | 2trt | TAC | A | 222 | e2trtA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00759 | 2vke | TAC | A | 222 | e2vkeA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00759 | 2vke | TAC | A | 222 | e2vkeA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00759 | 4b3a | TAC | A | 222 | e4b3aA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00759 | 4b3a | TAC | A | 222 | e4b3aA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00759 | 6fpl | TAC | A | 301 | e6fplA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00759 | 6fpl | TAC | A | 301 | e6fplA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00759 | 6fpm | TAC | A | 301 | e6fpmA1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00759 | 6fpm | TAC | A | 301 | e6fpmA2 | HTH | HTH | Three-helical HTH | TetR_N |