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) PubChem (888) | |||
| 3 | E (B) | DIPHOSPHATE | non-polymer | 173.9 | 1 | Chemie (DPO) PubChem (644102) | |||
| 4 | F (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) PubChem (1061) | |||
| 5 | G (B) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 1 | Chemie (SAM) PubChem (5136) PubChem (34755) PubChem (58633578) PubChem (60038769) PubChem (58766358) PubChem (73897310) PubChem (9865603) PubChem (87224684) PubChem (12312798) PubChem (131697735) PubChem (145712080) PubChem (132988922) PubChem (134692588) PubChem (135030730) PubChem (140459785) PubChem (163046094) | |||
| 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 |
