External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| T [auth Z] | V-set | e8ub3Z1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| S [auth 4] | V-set | e8ub341 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| R [auth w] | V-set | e8ub3w1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| Q [auth s] | V-set | e8ub3s1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| P [auth k] | V-set | e8ub3k1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| O [auth c] | V-set | e8ub3c1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| N [auth U] | V-set | e8ub3U1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| M [auth Q] | V-set | e8ub3Q1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| L [auth M] | V-set | e8ub3M1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| K [auth L] | V-set | e8ub3L1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| J [auth K] | V-set | e8ub3K1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| I [auth J] | V-set | e8ub3J1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| H | V-set | e8ub3H1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| G | V-set | e8ub3G1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| F | V-set | e8ub3F1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| E | V-set | e8ub3E1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| D | V-set | e8ub3D1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| C | V-set | e8ub3C1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| B | V-set | e8ub3B1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: V-set | ECOD (v295) |
| A | RasGEF | e8ub3A01 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: RasGEF | ECOD (v295) |