| L | HRM | e3dtdL1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| K | HRM | e3dtdK1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| J | HRM | e3dtdJ1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| I | HRM | e3dtdI1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| H | HRM | e3dtdH1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| G | HRM | e3dtdG1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| F | HRM | e3dtdF1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| E | HRM | e3dtdE1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| D | HRM | e3dtdD1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| C | HRM | e3dtdC1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| B | HRM | e3dtdB1 | A: alpha arrays | X: HTH | H: HTH | T: tetra-helical, lambda repressor-like | F: HRM | ECOD (v295.2) |
| A | IalB | e3dtdA1 | A: alpha arrays | X: HTH | H: HTH | T: winged helix domain | F: IalB | ECOD (v295.2) |