› 3tyu

X-ray diffraction
2.7Å resolution

Crystal Structure of Dihydropteroate synthetase with Product1

Released:
DOI: 10.2210/pdb3tyu/pdb
PDB entry 3tyu coloured by chain, front view.
PDB entry 3tyu coloured by chain, side view.
PDB entry 3tyu coloured by chain, top view.
Source organism: Yersinia pestis
Primary publication:
Catalysis and sulfa drug resistance in dihydropteroate synthase.
Yun MK, Wu Y, Li Z, Zhao Y, Waddell MB, Ferreira AM, Lee RE, Bashford D, White SW
Science 335 1110-4 (2012)
PMID: 22383850

Function and Biology Details

Reaction catalysed: 
6-hydroxymethyl-7,8-dihydropterin diphosphate + 4-aminobenzoate = diphosphate + dihydropteroate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-104507 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydropteroate synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 280 amino acids
Theoretical weight: 30.32 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A2S9PLG4 (Residues: 1-277; Coverage: 100%)
Gene names: YPO3501, dhpS, folP
Sequence domains: Pterin binding enzyme
Structure domains: Dihydropteroate synthase-like

Ligands and Environments

1 bound ligand:
Ligand PT1 2 x PT1
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-BM
Spacegroup: P21
Unit cell:
a: 70.75Å b: 50.536Å c: 74.495Å
α: 90° β: 90.72° γ: 90°
R-values:
R R work R free
0.213 0.21 0.264
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

15 review citations

Sulfa and trimethoprim-like drugs - antimetabolites acting as carbonic anhydrase, dihydropteroate synthase and dihydrofolate reductase inhibitors.
Capasso et al. (2014)
14 more

2 mentions without citation

Pterin-sulfa conjugates as dihydropteroate synthase inhibitors and antibacterial agents.
Zhao et al. (2016)
1 more