2b7n

X-ray diffraction
2.3Å resolution

Crystal structure of quinolinic acid phosphoribosyltransferase from Helicobacter pylori

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
PDBe Complex ID:
PDB-CPX-127797 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Probable nicotinate-nucleotide pyrophosphorylase [carboxylating] Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 273 amino acids
Theoretical weight: 30.85 KDa
Source organism: Helicobacter pylori
Expression system: Escherichia coli
UniProt:
  • Canonical: O25909 (Residues: 1-273; Coverage: 100%)
Gene names: HP_1355, nadC
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PAL/PLS BEAMLINE 6B
Spacegroup: P41212
Unit cell:
a: 148.855Å b: 148.855Å c: 145.662Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.231 0.224 0.256
Expression system: Escherichia coli