9SV9
S-Adenosylmethionine synthetase of Escherichia coli I103A in complex with (S,S)-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 (B, D) | S-adenosylmethionine synthase | polymer | 383 | 41825.2 | 2 | UniProt (A7ZR64) | Escherichia coli | AdoMet synthase,MAT,Methionine adenosyltransferase |
| 2 | C, H (B, D) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 2 | Chemie (SAM) | |||
| 3 | D, I (B, D) | (DIPHOSPHONO)AMINOPHOSPHONIC ACID | non-polymer | 257.0 | 2 | Chemie (PPK) | |||
| 4 | E, J (B, D) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) PubChem (923) | |||
| 5 | F, K, L, M, N (B, D) | POTASSIUM ION | non-polymer | 39.1 | 5 | Chemie (K) PubChem (813) | |||
| 6 | G, O (B, D) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) PubChem (271) | |||
| 7 | P, Q (B, D) | water | water | 18.0 | 255 | Chemie (HOH) |
Sequence modifications
B, D: 1 - 383 (UniProt: A7ZR64)
| PDB | External Database | Details |
|---|---|---|
| Ala 102 | Ile 103 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 83650.5 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 1632.4 | |
| All* | Total formula weight | 85282.9 |
