PDBe 4jnm

X-ray diffraction
2.2Å resolution

Discovery of Potent and Efficacious Urea-containing Nicotinamide Phosphoribosyltransferase (NAMPT) Inhibitors with Reduced CYP2C9 Inhibition Properties


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
Nicotinamide phosphoribosyltransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 501 amino acids
Theoretical weight: 56.94 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P43490 (Residues: 1-491; Coverage: 100%)
Gene names: NAMPT, PBEF, PBEF1
Sequence domains:
Structure domains: Aldolase class I

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21
Unit cell:
a: 60.44Å b: 106.323Å c: 82.824Å
α: 90° β: 96.34° γ: 90°
R R work R free
0.203 0.201 0.25
Expression system: Escherichia coli