| Q8E1C6 | n/a | 3kkc | NI | A | 201 | e3kkcA1 | HTH | HTH | Three-helical HTH | TetR_N |
| Q8E1C6 | n/a | 3kkc | NI | A | 201 | e3kkcA2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_8 |
| Q8E1C6 | n/a | 3kkc | NI | B | 201 | e3kkcB1 | HTH | HTH | Three-helical HTH | TetR_N |
| Q8E1C6 | n/a | 3kkc | NI | B | 201 | e3kkcB2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_8 |
| Q8E1C6 | n/a | 3kkc | NI | C | 201 | e3kkcC1 | HTH | HTH | Three-helical HTH | TetR_N |
| Q8E1C6 | n/a | 3kkc | NI | C | 201 | e3kkcC2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_8 |
| Q8E1C6 | n/a | 3kkc | NI | D | 201 | e3kkcD1 | HTH | HTH | Three-helical HTH | TetR_N |
| Q8E1C6 | n/a | 3kkc | NI | D | 201 | e3kkcD2 | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | Tetracyclin repressor-like, C-terminal domain | TetR_C_8 |