2GQR
SAICAR Synthetase Complexed with ADP-Mg2+
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) | Phosphoribosylaminoimidazole-succinocarboxamide synthase | polymer | 237 | 27452.1 | 2 | UniProt (P0A7D7) Pfam (PF01259) | Escherichia coli | SAICAR synthetase |
| 2 | C, E (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | D, F (A, B) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 2 | Chemie (ADP) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 363 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 237 (UniProt: P0A7D7)
| PDB | External Database | Details |
|---|---|---|
| Mse 1 | Met 1 | modified residue |
| Mse 48 | Met 48 | modified residue |
| Mse 58 | Met 58 | modified residue |
| Mse 70 | Met 70 | modified residue |
| Mse 86 | Met 86 | modified residue |
| Mse 127 | Met 127 | modified residue |
| Mse 131 | Met 131 | modified residue |
| Mse 151 | Met 151 | modified residue |
| Mse 209 | Met 209 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 54904.1 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 903.0 | |
| All* | Total formula weight | 55807.1 |
