| X [auth Y] | | e2iy4Y1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| W [auth X] | | e2iy4X1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| V | | e2iy4V1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| U | | e2iy4U1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| T | | e2iy4T1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| S | | e2iy4S1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| R | | e2iy4R1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| Q | | e2iy4Q1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| P | | e2iy4P1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| O | | e2iy4O1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| N | | e2iy4N1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| M | | e2iy4M1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| L | | e2iy4L1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| K | | e2iy4K1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| J | | e2iy4J1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| I | | e2iy4I1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| H | | e2iy4H1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| G | | e2iy4G1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| F | | e2iy4F1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| E | | e2iy4E1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| D | | e2iy4D1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| C | | e2iy4C1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| B | | e2iy4B1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |
| A | | e2iy4A1 | A: HTH | X: HTH | H: tetra-helical, lambda repressor-like | T: ACR_tran | F: | ECOD (20:10:01) |