External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| B | UcrQ | e8of7B1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: UcrQ | ECOD (v295) |
| A | Fer4_20 | e8of7A01 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Fer4_20 | ECOD (v295) |