1RG9
S-Adenosylmethionine synthetase complexed with SAM and PPNP
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 | S-adenosylmethionine synthetase | polymer | 383 | 41867.3 | 4 | UniProt (P0A817) Pfam (PF00438) Pfam (PF02772) Pfam (PF02773) In PDB | Escherichia coli | Methionine adenosyltransferase, AdoMet synthetase, MAT |
| 2 | A, B, C, D | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) | |||
| 3 | A, B, C, D | MAGNESIUM ION | non-polymer | 24.3 | 8 | Chemie (MG) | |||
| 4 | A, B, C | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 4 | Chemie (SAM) | |||
| 5 | A, B, C, D | (DIPHOSPHONO)AMINOPHOSPHONIC ACID | non-polymer | 257.0 | 4 | Chemie (PPK) | |||
| 6 | water | water | 18.0 | 20 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 167469.2 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 2972.5 | |
| All* | Total formula weight | 170441.7 |
