2FPS
Crystal structure of the N-terminal domain of E.coli HisB- Apo Ca model.
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) | Histidine biosynthesis bifunctional protein hisB | polymer | 176 | 20066.7 | 2 | UniProt (Q9S5G5) Pfam (PF13242) | Escherichia coli | |
| 2 | C, F (A, B) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 3 | D, G (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | E, H (A, B) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 5 | I, J (A, B) | water | water | 18.0 | 315 | Chemie (HOH) |
Sequence modifications
A, B: 3 - 166 (UniProt: Q9S5G5)
| PDB | External Database | Details |
|---|---|---|
| Met -9 | - | cloning artifact |
| Gly -8 | - | cloning artifact |
| Ser -7 | - | cloning artifact |
| Ser -6 | - | cloning artifact |
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
| Gly 1 | - | cloning artifact |
| Ser 2 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 40133.5 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 281.9 | |
| All* | Total formula weight | 40415.3 |
