5u11

X-ray diffraction
1.99Å resolution

E. coli dihydropteroate synthase complexed with an 8-mercaptoguanine derivative: 2-[(2-amino-6-oxo-6,9-dihydro-1H-purin-8-yl)sulfanyl]-N-methylacetamide

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-199626 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydropteroate synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 284 amino acids
Theoretical weight: 30.8 KDa
Source organism: Escherichia coli CFT073
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P0AC13 (Residues: 1-282; Coverage: 100%)
Gene names: JW3144, b3177, dhpS, folP
Sequence domains: Pterin binding enzyme
Structure domains: Dihydropteroate synthase-like

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: AUSTRALIAN SYNCHROTRON BEAMLINE MX1
Spacegroup: C2
Unit cell:
a: 94.782Å b: 84.599Å c: 83.963Å
α: 90° β: 110.52° γ: 90°
R-values:
R R work R free
0.2 0.198 0.23
Expression system: Escherichia coli BL21(DE3)