3HD2
Crystal structure of E. coli HPPK(Q50A) in complex with MgAMPCPP and pterin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase | polymer | 158 | 17909.5 | 1 | UniProt (P26281) Pfam (PF01288) In PDB | Escherichia coli K-12 | 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK, 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, PPPK |
| 2 | A | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | A | DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER | non-polymer | 505.2 | 1 | Chemie (APC) | |||
| 4 | A | PTERINE | non-polymer | 163.1 | 1 | Chemie (PE0) | |||
| 5 | A | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 6 | A | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | water | water | 18.0 | 295 | Chemie (HOH) |
Sequence modifications
A: 1 - 158 (UniProt: P26281)
| PDB | External Database | Details |
|---|---|---|
| Ala 50 | Gln 51 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17909.5 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 811.5 | |
| All* | Total formula weight | 18720.9 |
