| P0ACT4 | n/a | 2fj1 | CL | A | 303 | e2fj1A2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 2o7o | CL | A | 303 | e2o7oA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 2vke | CL | A | 1229 | e2vkeA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 2x6o | CL | A | 1211 | e2x6oA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 2x9d | CL | A | 1213 | e2x9dA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 2xb5 | CL | A | 1209 | e2xb5A1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 2xpu | CL | A | 1211 | e2xpuA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 2xpv | CL | A | 1218 | e2xpvA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 2xpw | CL | A | 303 | e2xpwA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 2xrl | CL | A | 1210 | e2xrlA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 4aux | CL | A | 1002 | e4auxA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 4b1r | CL | A | 1214 | e4b1rA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 4b3a | CL | A | 1211 | e4b3aA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 4d7m | CL | A | 305 | e4d7mA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6fpl | CL | A | 308 | e6fplA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6fpm | CL | A | 306 | e6fpmA2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6fts | CL | A | 303 | e6ftsA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6qjw | CL | A | 307 | e6qjwA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6qjx | CL | A | 306 | e6qjxA2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6rbl | CL | A | 308 | e6rblA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6rbm | CL | A | 308 | e6rbmA2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6rcr | CL | A | 307 | e6rcrA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6rgx | CL | A | 305 | e6rgxA1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6rgx | CL | B | 307 | e6rgxA1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6rgx | CL | B | 307 | e6rgxB2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6yr1 | CL | AAA | 305 | e6yr1AAA2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6yr2 | CL | AAA | 305 | e6yr2AAA1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |
| P0ACT4 | n/a | 6yr2 | CL | AAA | 305 | e6yr2AAA2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT4 | n/a | 6yr2 | CL | BBB | 1007 | e6yr2BBB1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_1 |