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 (A, B, C, D) | Ribonuclease TTHA0252 | polymer | 431 | 47079.1 | 4 | UniProt (Q5SLP1) Pfam (PF00753) Pfam (PF10996) Pfam (PF07521) | Thermus thermophilus | |
| 2 | AA, AB, BA, BB, CB... (A, C, B, D) | SULFATE ION | non-polymer | 96.1 | 65 | Chemie (SO4) | |||
| 3 | CA (A) | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 1 | Chemie (BTB) | |||
| 4 | DA, MB, VB, XA (A, C, D, B) | ZINC ION | non-polymer | 65.4 | 4 | Chemie (ZN) | |||
| 5 | WB, XB, YB, ZB (A, B, C, D) | water | water | 18.0 | 78 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 431 (UniProt: Q5SLP1)
| PDB | External Database | Details |
|---|---|---|
| Val 400 | His 400 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 188316.2 | |
| Non-Polymers* | Number of molecules | 70 |
| Total formula weight | 6715.0 | |
| All* | Total formula weight | 195031.2 |






