X-ray diffraction
2.07Å resolution

Crystal Structure of PDE5A1 catalytic domain in complex with Vardenafil


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
cGMP-specific 3',5'-cyclic phosphodiesterase Chains: A, B
Molecule details ›
Chains: A, B
Length: 330 amino acids
Theoretical weight: 38.2 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: O76074 (Residues: 535-860; Coverage: 37%)
Gene names: PDE5, PDE5A
Sequence domains: 3'5'-cyclic nucleotide phosphodiesterase
Structure domains: 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: P212121
Unit cell:
a: 68.922Å b: 87.822Å c: 138.472Å
α: 90° β: 90° γ: 90°
R R work R free
0.216 0.216 0.248
Expression system: Escherichia coli BL21