External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| B | UBA | e8ik1B1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: UBA | ECOD (v294.2) |
| A | UBA | e8ik1A1 | A: beta barrels | X: RNase A-like | H: RNase A-like | T: RNase A-like | F: UBA | ECOD (v294.2) |