3D5I
Crystal structure of ribonuclease Sa2 with exo-2',3'-cyclophosphorotioate
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 (A, B, C) | Ribonuclease | polymer | 97 | 10909.0 | 3 | UniProt (Q53752) Pfam (PF00545) | Streptomyces aureofaciens | ribonuclease Sa2 |
| 2 | D, E, G (A, C) | SULFATE ION | non-polymer | 96.1 | 3 | Chemie (SO4) | |||
| 3 | F (B) | GUANOSINE-2',3'-CYCLOPHOSPHOROTHIOATE | non-polymer | 361.3 | 1 | Chemie (SGP) | |||
| 4 | H, I, J (A, B, C) | water | water | 18.0 | 169 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 32727.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 649.5 | |
| All* | Total formula weight | 33376.5 |
