4P3F
Structure of the human SRP68-RBD
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Signal recognition particle subunit SRP68 | polymer | 216 | 25604.2 | 2 | UniProt (Q9UHB9) Pfam (PF16969) | Homo sapiens (Human) | SRP68, Signal recognition particle 68 kDa protein |
| 2 | C, D, E (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 3 | Chemie (PEG) | |||
| 3 | F, G, H, I (A) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
| 4 | J, K (A, B) | water | water | 18.0 | 367 | Chemie (HOH) |
Sequence modifications
A, B: 39 - 246 (UniProt: Q9UHB9)
| PDB | External Database | Details |
|---|---|---|
| Met 31 | - | initiating methionine |
| Gly 32 | - | expression tag |
| His 33 | - | expression tag |
| His 34 | - | expression tag |
| His 35 | - | expression tag |
| His 36 | - | expression tag |
| His 37 | - | expression tag |
| His 38 | - | expression tag |
| Asp 108 | Glu 116 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 51208.5 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 566.6 | |
| All* | Total formula weight | 51775.1 |
