1R1K
Crystal structure of the ligand-binding domains of the heterodimer EcR/USP bound to ponasterone A
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (D) | Ecdysone receptor | polymer | 266 | 30369.0 | 1 | UniProt (O18473) Pfam (PF00104) | Heliothis virescens (tobacco budworm) | Ecdysteroid receptor, 20-hydroxy-ecdysone receptor, 20E receptor, HvEcR |
| 2 | B (A) | ULTRASPIRACLE PROTEIN | polymer | 263 | 29951.8 | 1 | UniProt (Q7SIF6) Pfam (PF00104) | Heliothis virescens (tobacco budworm) | |
| 3 | C (D) | 2,3,14,20,22-PENTAHYDROXYCHOLEST-7-EN-6-ONE | non-polymer | 464.6 | 1 | Chemie (P1A) | |||
| 4 | D (A) | L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE | non-polymer | 709.9 | 1 | Chemie (EPH) | |||
| 5 | E, F (D, A) | water | water | 18.0 | 8 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 60320.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 1174.6 | |
| All* | Total formula weight | 61495.3 |
