4M9D
The Crystal structure of an adenylosuccinate synthetase from Bacillus anthracis str. Ames Ancestor in complex with AMP.
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) | Adenylosuccinate synthetase | polymer | 432 | 47977.2 | 2 | UniProt (Q81JI9) Pfam (PF00709) | Bacillus anthracis (anthrax anthrax bacterium) | AMPSase, AdSS, IMP--aspartate ligase |
| 2 | C, H (A, B) | ADENOSINE MONOPHOSPHATE | non-polymer | 347.2 | 2 | Chemie (AMP) | |||
| 3 | D, I, J (A, B) | MALONATE ION | non-polymer | 102.0 | 3 | Chemie (MLI) | |||
| 4 | E, F, K, L, M... (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 6 | Chemie (EDO) | |||
| 5 | G, O, P (A, B) | FORMIC ACID | non-polymer | 46.0 | 3 | Chemie (FMT) | |||
| 6 | Q (B) | PHOSPHATE ION | non-polymer | 95.0 | 1 | Chemie (PO4) | |||
| 7 | R, S (A, B) | water | water | 18.0 | 565 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 429 (UniProt: Q81JI9)
| PDB | External Database | Details |
|---|---|---|
| Ser -2 | - | expression tag |
| Asn -1 | - | expression tag |
| Ala 0 | - | expression tag |
| Cys 370 | Tyr 370 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 95954.4 | |
| Non-Polymers* | Number of molecules | 15 |
| Total formula weight | 1606.0 | |
| All* | Total formula weight | 97560.5 |
