2xss

X-ray diffraction
2.5Å resolution

Crystal structure of GAFb from the human phosphodiesterase 5

Released:
Source organism: Homo sapiens

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:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-131210 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
cGMP-specific 3',5'-cyclic phosphodiesterase Chains: A, B
Molecule details ›
Chains: A, B
Length: 181 amino acids
Theoretical weight: 20.67 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O76074 (Residues: 346-509; Coverage: 19%)
Gene names: PDE5, PDE5A
Sequence domains: GAF domain
Structure domains: Beta-Lactamase

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SLS BEAMLINE X10SA
Spacegroup: P3121
Unit cell:
a: 64.75Å b: 64.75Å c: 145.31Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.252 0.248 0.317
Expression system: Escherichia coli BL21(DE3)