2QGF
Structure of regulatory chain mutant H20A of asparate transcarbamoylase from E. coli
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Aspartate carbamoyltransferase catalytic chain | polymer | 310 | 34337.1 | 2 | UniProt (P0A786) Pfam (PF02729) Pfam (PF00185) | Escherichia coli | Aspartate transcarbamylase, ATCase |
| 2 | B, D (B, D) | Aspartate carbamoyltransferase regulatory chain | polymer | 153 | 17076.6 | 2 | UniProt (P0A7F3) Pfam (PF01948) Pfam (PF02748) | Escherichia coli | |
| 3 | E, F (B, D) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | G, H, I, J (A, B, C, D) | water | water | 18.0 | 430 | Chemie (HOH) |
Sequence modifications
B, D: 1 - 153 (UniProt: P0A7F3)
| PDB | External Database | Details |
|---|---|---|
| Ala 20 | His 20 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 102827.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 130.8 | |
| All* | Total formula weight | 102958.1 |
