› 2dzb

X-ray diffraction
1.9Å resolution

Crystal Structure of Dihydropteroate Synthase from Thermus thermophilus HB8 in complex with 6HMPPP

Released:
DOI: 10.2210/pdb2dzb/pdb
PDB entry 2dzb coloured by chain, front view.
PDB entry 2dzb coloured by chain, side view.
PDB entry 2dzb coloured by chain, top view.
Source organism: Thermus thermophilus
Entry authors: Bagautdinov B, Kunishima N, RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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-178216 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Dihydropteroate synthase Chains: A, B
Molecule details ›
Chains: A, B
Length: 294 amino acids
Theoretical weight: 31.9 KDa
Source organism: Thermus thermophilus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5SLV2 (Residues: 1-294; Coverage: 100%)
Gene name: TTHA0191
Sequence domains: Pterin binding enzyme
Structure domains: Dihydropteroate synthase-like

Ligands and Environments

1 bound ligand:
Ligand HH2 2 x HH2
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL26B1
Spacegroup: P65
Unit cell:
a: 110.852Å b: 110.852Å c: 87.766Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.212 0.212 0.239
Expression system: Escherichia coli BL21(DE3)

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