3ILO
Crystal structure of E. coli HPPK(D97A) in complex with MgAMPCPP and 6-hydroxymethyl-7,8-dihydropterin
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase | polymer | 158 | 17922.5 | 1 | UniProt (P26281) Pfam (PF01288) | Escherichia coli | 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK, 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, PPPK |
2 | B (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
3 | C (A) | DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER | non-polymer | 505.2 | 1 | Chemie (APC) | |||
4 | D (A) | 2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDRO-3H-PTERIDIN-4-ONE | non-polymer | 195.2 | 1 | Chemie (PH2) | |||
5 | E (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
6 | F (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
7 | G (A) | water | water | 18.0 | 366 | Chemie (HOH) |
Sequence modifications
A: 1 - 158 (UniProt: P26281)
PDB | External Database | Details |
---|---|---|
Ala 97 | Asp 98 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 17922.5 | |
Non-Polymers* | Number of molecules | 5 |
Total formula weight | 819.2 | |
All* | Total formula weight | 18741.7 |