External Resource: Annotation
| Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
| B | G-alpha | e8w7xB1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: G-alpha | ECOD (v295) |
| C | G-alpha | e8w7xC1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: G-alpha | ECOD (v295) |
| D | G-alpha | e8w7xD1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: G-alpha | ECOD (v295) |
| A | Cytochrom_B559a | e8w7xA01 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: Cytochrom_B559a | ECOD (v295) |