Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (AAA, BBB, CCC, DDD) | U1 small nuclear ribonucleoprotein A | polymer | 98 | 11397.3 | 4 | UniProt (P09012) Pfam (PF00076) | Homo sapiens (Human) | U1A |
| 2 | E (CCC) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 3 | F, G, H, I (AAA, BBB, CCC, DDD) | water | water | 18.0 | 81 | Chemie (HOH) |
Sequence modifications
AAA, BBB, CCC, DDD: 1 - 98 (UniProt: P09012)
| PDB | External Database | Details |
|---|---|---|
| His 31 | Tyr 31 | engineered mutation |
| Arg 36 | Gln 36 | engineered mutation |
| Trp 98 | Lys 98 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 45589.4 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 96.1 | |
| All* | Total formula weight | 45685.4 |
