X-ray diffraction
1.95Å resolution

Acidic residues at the active sites of CD38 and ADP-ribosyl cyclase determine NAAPD synthesis and hydrolysis activities


Function and Biology Details

Reactions catalysed:
(1a) NAD(+) = cyclic ADP-ribose + nicotinamide
(1a) NADP(+) = 2'-phospho-cyclic ADP-ribose + nicotinamide
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 262 amino acids
Theoretical weight: 30.31 KDa
Source organism: Homo sapiens
Expression system: Komagataella pastoris
  • Canonical: P28907 (Residues: 45-300; Coverage: 85%)
Gene name: CD38
Structure domains:

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: CHESS BEAMLINE A1
Spacegroup: P1
Unit cell:
a: 41.715Å b: 52.823Å c: 65.578Å
α: 106.26° β: 91.85° γ: 95.25°
R R work R free
0.205 0.195 0.248
Expression system: Komagataella pastoris