7LHX
Human U1A protein with F37M and F77M mutations for improved phasing
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | U1 small nuclear ribonucleoprotein A | polymer | 98 | 11636.6 | 1 | UniProt (P09012) Pfam (PF00076) | Homo sapiens (Human) | U1A |
| 2 | B (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 3 | C, E (A) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 4 | D (A) | BETA-MERCAPTOETHANOL | non-polymer | 78.1 | 1 | Chemie (BME) | |||
| 5 | F (A) | water | water | 18.0 | 85 | Chemie (HOH) |
Sequence modifications
A: 1 - 98 (UniProt: P09012)
| PDB | External Database | Details |
|---|---|---|
| His 31 | Tyr 31 | engineered mutation |
| Arg 36 | Gln 36 | engineered mutation |
| Mse 37 | Phe 37 | engineered mutation |
| Mse 77 | Phe 77 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 11636.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 219.2 | |
| All* | Total formula weight | 11855.8 |
