1so2

X-ray diffraction
2.4Å resolution

CATALYTIC DOMAIN OF HUMAN PHOSPHODIESTERASE 3B In COMPLEX WITH A DIHYDROPYRIDAZINE INHIBITOR

Released:

Function and Biology Details

Reaction catalysed:
Nucleoside 3',5'-cyclic phosphate + H(2)O = nucleoside 5'-phosphate
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-171658 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
cGMP-inhibited 3',5'-cyclic phosphodiesterase 3B Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 420 amino acids
Theoretical weight: 48.16 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q13370 (Residues: 654-1073; Coverage: 38%)
Gene name: PDE3B
Sequence domains: 3'5'-cyclic nucleotide phosphodiesterase
Structure domains: 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: C2
Unit cell:
a: 147.482Å b: 121.772Å c: 126.671Å
α: 90° β: 100.74° γ: 90°
R-values:
R R work R free
0.239 0.232 0.277
Expression system: Escherichia coli