2BE9
Crystal structure of the CTP-liganded (T-State) aspartate transcarbamoylase from the extremely thermophilic archaeon Sulfolobus acidocaldarius
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Aspartate carbamoyltransferase | polymer | 300 | 34332.4 | 1 | UniProt (Q55338) Pfam (PF02729) Pfam (PF00185) | Sulfolobus acidocaldarius | Aspartate transcarbamylase, ATCase |
| 2 | B (B) | Aspartate carbamoyltransferase regulatory chain | polymer | 168 | 18845.3 | 1 | UniProt (P74766) Pfam (PF01948) Pfam (PF02748) | Sulfolobus acidocaldarius | |
| 3 | C (B) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | D (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | E (B) | CYTIDINE-5'-TRIPHOSPHATE | non-polymer | 483.2 | 1 | Chemie (CTP) | |||
| 6 | F, G (A, B) | water | water | 18.0 | 77 | Chemie (HOH) |
Sequence modifications
A: 0 - 299 (UniProt: Q55338)
B: 1 - 164 (UniProt: P74766)
| PDB | External Database | Details |
|---|---|---|
| Leu 1 | - | SEE REMARK 999 |
| PDB | External Database | Details |
|---|---|---|
| Met -3 | - | cloning artifact |
| Glu -2 | - | cloning artifact |
| Phe -1 | - | cloning artifact |
| Met 0 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 53177.7 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 644.6 | |
| All* | Total formula weight | 53822.3 |
