| P0ACT4 | DB00254 | 2o7o | DXT | A | 222 | e2o7oA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00254 | 2o7o | DXT | A | 222 | e2o7oA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00254 | 2xrl | DXT | A | 1211 | e2xrlA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00254 | 2xrl | DXT | A | 1211 | e2xrlA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00254 | 6rbl | DXT | A | 301 | e6rblA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00254 | 6rbl | DXT | A | 301 | e6rblA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00254 | 6rcr | DXT | A | 301 | e6rcrA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00254 | 6rcr | DXT | A | 301 | e6rcrA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00254 | 6rgx | DXT | B | 301 | e6rgxA1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | DB00254 | 6rgx | DXT | B | 301 | e6rgxB1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | DB00254 | 6rgx | DXT | B | 301 | e6rgxB2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |