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Crystal structure of human phosphodiesterase 4D with rolipram

Analyse Crystal structure of human phosphodiesterase 4D with rolipram in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
3G4K
Type
protein
Length
1,316 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Camp-specific 3',5'-cyclic phosphodiesterase 4D
EC
3.1.4.17
UniProt
Q08499
Ligands
ROL, ZN, MG, SO4
Pockets
16 · best druggability 0.80

Structure

x-ray diffraction · 4 distinct chains · 66% helix, 1% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ACamp-specific 3',5'-cyclic phosphodiesterase 4D (EC 3.1.4.17)protein33066% helix, 1% strandQ08499
BCamp-specific 3',5'-cyclic phosphodiesterase 4D (EC 3.1.4.17)protein32667% helix, 1% strandQ08499
CCamp-specific 3',5'-cyclic phosphodiesterase 4D (EC 3.1.4.17)protein32767% helix, 1% strandQ08499
DCamp-specific 3',5'-cyclic phosphodiesterase 4D (EC 3.1.4.17)protein33366% helix, 1% strandQ08499

Ligands and binding sites

  • ROL · Rolipram · ligand · 4 copies · chains A, B, C, D
  • ZN · Zinc ion · metal · 4 copies · chains A, B, C, D
  • MG · Magnesium ion · metal · 4 copies · chains A, B, C, D
  • SO4 · Sulfate ion · ion · 3 copies · chains A, C, D
  • EDO · 1,2-ethanediol · additive · 14 copies · chains A, C, B, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

16 pockets found on a 1 Å grid, 11 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18780.800.8283EDO
21630.750.9231empty
34640.730.8240MG, ROL
44670.720.8245MG, ROL, EDO
54610.710.8141MG, ROL

Interfaces

6 interfaces between chains.

  • B–D · 933 Ų buried · 18 hydrogen bonds · protein-protein
  • A–B · 896 Ų buried · 13 hydrogen bonds · protein-protein
  • A–C · 895 Ų buried · 17 hydrogen bonds · protein-protein
  • C–D · 873 Ų buried · 13 hydrogen bonds · protein-protein
  • A–D · 262 Ų buried · 12 hydrogen bonds · protein-protein

Compared structures

  • 3G4K · Crystal structure of human phosphodiesterase 4d with rolipram · the same entry in another collection · chain A against A, TM-score 1.00

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