2ql6

X-ray diffraction
2.7Å resolution

human nicotinamide riboside kinase (NRK1)

Released:
Source organism: Homo sapiens
Primary publication:
Crystal structure of human nicotinamide riboside kinase.
Structure 15 1005-13 (2007)
PMID: 17698003

Function and Biology Details

Reactions catalysed:
ATP + beta-D-ribosylnicotinate = ADP + nicotinate beta-D-ribonucleotide
ATP + 1-(beta-D-ribofuranosyl)-nicotinamide = ADP + beta-nicotinamide D-ribonucleotide
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-192664 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinamide riboside kinase 1 Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Molecule details ›
Chains: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P
Length: 199 amino acids
Theoretical weight: 23.54 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9NWW6 (Residues: 1-199; Coverage: 100%)
Gene names: C9orf95, NMRK1, NRK1
Sequence domains: AAA domain
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P21
Unit cell:
a: 145.71Å b: 99.96Å c: 145.59Å
α: 90° β: 91.57° γ: 90°
R-values:
R R work R free
0.207 0.207 0.235
Expression system: Escherichia coli