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 (A, B, C, D) | S-adenosylmethionine synthetase | polymer | 383 | 41867.3 | 4 | UniProt (P0A817) Pfam (PF00438) Pfam (PF02772) Pfam (PF02773) | Escherichia coli | Methionine adenosyltransferase, AdoMet synthetase, MAT |
| 2 | E, J, O, V (A, B, C, D) | POTASSIUM ION | non-polymer | 39.1 | 4 | Chemie (K) PubChem (813) | |||
| 3 | F, G, K, L, P... (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 8 | Chemie (MG) PubChem (888) | |||
| 4 | H, M, R, S (A, B, C) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 4 | Chemie (SAM) PubChem (5136) PubChem (34755) PubChem (58633578) PubChem (60038769) PubChem (73897310) PubChem (58766358) PubChem (87224684) PubChem (131697735) PubChem (9865603) PubChem (145712080) PubChem (12312798) PubChem (132988922) PubChem (134692588) PubChem (135030730) PubChem (140459785) PubChem (163046094) | |||
| 5 | I, N, T, X (A, B, C, D) | (DIPHOSPHONO)AMINOPHOSPHONIC ACID | non-polymer | 257.0 | 4 | Chemie (PPK) PubChem (447781) | |||
| 6 | AA, BA, Y, Z (C, D, A, B) | 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 |






