PDBe 3iak

X-ray diffraction
2.8Å resolution

Crystal structure of human phosphodiesterase 4d (PDE4d) with papaverine.

Source organism: Homo sapiens
Entry authors: Cheng RKY, Crawley L, Barker J, Wood M, Felicetti B, Whittaker M

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
cAMP-specific 3',5'-cyclic phosphodiesterase 4D Chain: A
Molecule details ›
Chain: A
Length: 349 amino acids
Theoretical weight: 40.1 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: Q08499 (Residues: 388-715; Coverage: 41%)
Gene names: DPDE3, PDE4D
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: DIAMOND BEAMLINE I03
Spacegroup: P4122
Unit cell:
a: 83.502Å b: 83.502Å c: 148.144Å
α: 90° β: 90° γ: 90°
R R work R free
0.241 0.239 0.291
Expression system: Escherichia coli