PDBe 2e5b

X-ray diffraction
2Å resolution

Crystal structure of Human NMPRTase as free-form

Released:

Function and Biology Details

Reaction catalysed:
Nicotinamide D-ribonucleotide + diphosphate = nicotinamide + 5-phospho-alpha-D-ribose 1-diphosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinamide phosphoribosyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 499 amino acids
Theoretical weight: 56.38 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P43490 (Residues: 1-491; Coverage: 100%)
Gene names: NAMPT, PBEF, PBEF1
Sequence domains:
Structure domains: Aldolase class I

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: P21
Unit cell:
a: 60.564Å b: 106.4Å c: 82.781Å
α: 90° β: 96.5° γ: 90°
R-values:
R R work R free
0.185 0.183 0.219
Expression system: Escherichia coli