1gzu

X-ray diffraction
2.9Å resolution

Crystal Structure of Human Nicotinamide Mononucleotide Adenylyltransferase in Complex with NMN

Released:

Function and Biology Details

Reactions catalysed:
ATP + nicotinamide ribonucleotide = diphosphate + NAD(+)
ATP + beta-nicotinate-D-ribonucleotide = diphosphate + deamido-NAD(+)

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
PDBe Complex ID:
PDB-CPX-190716 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Nicotinamide/nicotinic acid mononucleotide adenylyltransferase 1 Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 290 amino acids
Theoretical weight: 33.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9HAN9 (Residues: 2-279; Coverage: 100%)
Gene names: NMNAT, NMNAT1
Sequence domains: Cytidylyltransferase-like
Structure domains: HUPs

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: C2221
Unit cell:
a: 140.8Å b: 235.7Å c: 89Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.248 0.246 0.286
Expression system: Escherichia coli