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CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF E.COLI HPPK(V83G/DEL84-89) WITH MGAMPCPP AND 6-HYDROXYMETHYLPTERIN AT 1.48 ANGSTROM RESOLUTION (ORTHORHOMBIC FORM)
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 | 152 | 17094.5 | 1 | UniProt (P26281) Pfam (PF01288) | Escherichia coli | 7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK, 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, PPPK |
| 2 | B, C (A) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | D (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 4 | E (A) | DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER | non-polymer | 505.2 | 1 | Chemie (APC) | |||
| 5 | F (A) | 6-HYDROXYMETHYLPTERIN | non-polymer | 193.2 | 1 | Chemie (HHR) | |||
| 6 | G (A) | water | water | 18.0 | 130 | Chemie (HOH) |
Sequence modifications
A: 1 - 158 (UniProt: P26281)
| PDB | External Database | Details |
|---|---|---|
| Gly 83 | Val 83 | engineered mutation |
| - | Arg 84 | deletion |
| - | Lys 85 | deletion |
| - | Ala 86 | deletion |
| - | Glu 87 | deletion |
| - | Arg 88 | deletion |
| - | Trp 89 | deletion |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 17094.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 782.4 | |
| All* | Total formula weight | 17876.9 |
