3NUA
Crystal Structure of Phosphoribosylaminoimidazole-Succinocarboxamide Synthase from Clostridium perfringens
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 | 238 | 27313.2 | 2 | UniProt (Q0TTB4) Pfam (PF01259) | Clostridium perfringens | SAICAR synthetase |
| 2 | C, G, H (A, B) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 3 | Chemie (ADP) | |||
| 3 | D (A) | ADENOSINE MONOPHOSPHATE | non-polymer | 347.2 | 1 | Chemie (AMP) | |||
| 4 | E, I (A, B) | CITRIC ACID | non-polymer | 192.1 | 2 | Chemie (CIT) | |||
| 5 | F (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 6 | J, K (A, B) | water | water | 18.0 | 711 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 235 (UniProt: Q0TTB4)
| PDB | External Database | Details |
|---|---|---|
| Ser -2 | - | expression tag |
| Asn -1 | - | expression tag |
| Ala 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 54626.3 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 2105.2 | |
| All* | Total formula weight | 56731.5 |






