| P0ACT8 | n/a | 6ayi | C3G | A | 201 | e6ayiA1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT8 | n/a | 6ayi | C3G | A | 201 | e6ayiA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_6 |
| P0ACT8 | n/a | 6ayi | C3G | B | 201 | e6ayiB1 | HTH | HTH | Three-helical HTH | n/a |
| P0ACT8 | n/a | 6ayi | C3G | B | 201 | e6ayiB2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_6 |
| P0ACT8 | n/a | 6ayi | C3G | C | 201 | e6ayiC1 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_6 |
| P0ACT8 | n/a | 6ayi | C3G | C | 201 | e6ayiC2 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT8 | n/a | 6ayi | C3G | D | 201 | e6ayiD1 | HTH | HTH | Three-helical HTH | TetR_N |
| P0ACT8 | n/a | 6ayi | C3G | D | 201 | e6ayiD2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_6 |