3HSD
Crystal structure of E. coli HPPK(Y53A)
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) | HPPK | polymer | 158 | 17874.4 | 2 | UniProt (P26281) Pfam (PF01288) | Escherichia coli | 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase, 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase, 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, PPPK |
| 2 | C, D, E, K, L (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 5 | Chemie (MG) | |||
| 3 | F, G, M (A, B) | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
| 4 | H, I, J, N, O (A, B) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 5 | P, Q (A, B) | water | water | 18.0 | 415 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 158 (UniProt: P26281)
| PDB | External Database | Details |
|---|---|---|
| Ala 53 | Tyr 54 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 35748.9 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 688.4 | |
| All* | Total formula weight | 36437.2 |
