4K0B
Crystal structure of S-Adenosylmethionine synthetase from Sulfolobus solfataricus complexed with SAM and PPi
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) | S-adenosylmethionine synthase | polymer | 407 | 45330.7 | 2 | UniProt (Q980S9) Pfam (PF01941) | Sulfolobus solfataricus | AdoMet synthase, Methionine adenosyltransferase |
| 2 | C, D (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | E (B) | DIPHOSPHATE | non-polymer | 173.9 | 1 | Chemie (DPO) | |||
| 4 | F (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 5 | G (B) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 1 | Chemie (SAM) | |||
| 6 | H, I (A, B) | water | water | 18.0 | 596 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 404 (UniProt: Q980S9)
| PDB | External Database | Details |
|---|---|---|
| Gly -2 | - | expression tag |
| Ser -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 90661.4 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 716.0 | |
| All* | Total formula weight | 91377.3 |
