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) | 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) | Heliothis virescens (tobacco budworm) | |
| 3 | C (D) | 2,3,14,20,22-PENTAHYDROXYCHOLEST-7-EN-6-ONE | non-polymer | 464.6 | 1 | Chemie (P1A) PubChem (21119315) PubChem (24985076) PubChem (177677459) PubChem (44143975) PubChem (44231486) PubChem (21119316) PubChem (115127) PubChem (57988722) PubChem (73758207) PubChem (4482619) PubChem (5320672) PubChem (91884703) PubChem (6325829) PubChem (12314451) PubChem (138988226) PubChem (11984598) PubChem (129664321) PubChem (146674585) PubChem (154731155) PubChem (154790218) PubChem (160227469) PubChem (163096526) PubChem (163096527) PubChem (163096528) PubChem (163096529) PubChem (163096530) PubChem (163342445) PubChem (163869997) PubChem (170325868) | |||
| 4 | D (A) | L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE | non-polymer | 709.9 | 1 | Chemie (EPH) PubChem (46936564) PubChem (4474776) PubChem (5288167) PubChem (6323300) PubChem (168313614) | |||
| 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 |






