1G4C
CRYSTAL STRUCTURE OF A COMPLEX OF HPPK(R92A) FROM E.COLI WITH MG2+ AT 1.65 ANGSTROM RESOLUTION
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASE | polymer | 158 | 17880.4 | 2 | UniProt (P26281) Pfam (PF01288) In PDB | Escherichia coli | 2-AMINO-4-HYDROXY-6-HYDROXYMETHYLDIHYDROPTERIDINE PYROPHOSPHOKINASE, HPPK |
| 2 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 3 | Chemie (MG) | |||
| 3 | A, B | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 4 | water | water | 18.0 | 424 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 158 (UniProt: P26281)
| PDB | External Database | Details |
|---|---|---|
| Ala 92 | Arg 92 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 35760.8 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 179.3 | |
| All* | Total formula weight | 35940.1 |
