2FPR
Crystal structure the N-terminal domain of E. coli HisB. Apo Mg 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 | Histidine biosynthesis bifunctional protein hisB | polymer | 176 | 20066.7 | 2 | UniProt (Q9S5G5) Pfam (PF13242) In PDB | Escherichia coli | |
2 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
3 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
4 | A, B | BROMIDE ION | non-polymer | 79.9 | 7 | Chemie (BR) | |||
5 | B | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
6 | water | water | 18.0 | 440 | 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 | 12 |
Total formula weight | 761.7 | |
All* | Total formula weight | 40895.2 |