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sc-PDB

An Annotated Database of Druggable Binding Sites from the Protein DataBank

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Protein Data Bank Entry:

3g45

2.630 Å

X-ray

2009-02-03

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:cAMP-specific 3',5'-cyclic phosphodiesterase 4B
ID:PDE4B_HUMAN
AC:Q07343
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:3.1.4.53


Chains:

Chain Name:Percentage of Residues
within binding site
B100 %


Ligand binding site composition:

B-Factor:29.824
Number of residues:35
Including
Standard Amino Acids: 33
Non Standard Amino Acids: 2
Water Molecules: 0
Cofactors:
Metals: ZN MG

Cavity properties

LigandabilityVolume (Å3)
1.4031029.375

% Hydrophobic% Polar
51.4848.52
According to VolSite

Ligand :
3g45_2 Structure
HET Code: 988
Formula: C21H15N3O2
Molecular weight: 341.363 g/mol
DrugBank ID: -
Buried Surface Area:71.01 %
Polar Surface area: 71.59 Å2
Number of
H-Bond Acceptors: 4
H-Bond Donors: 0
Rings: 4
Aromatic rings: 4
Anionic atoms: 1
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 4

Mass center Coordinates

XYZ
2.0339235.468316.6449


Binding mode :
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Binding mode
BioSolveIT Image generated by PoseView
Protein
Binding Site
Ligand
Interaction pattern
hydrophobic (CA)
aromatic (CZ)
hydrogen bond acceptor (O)
hydrogen bond acceptor/donor (OG)
hydrogen bond donor (N)
positively ionized (NZ)
negatively ionized (OD1)
metal (ZN)

Legend:

Represent the protein/ligand binding mode, centered on the ligand
Dashed lines represents hydrogen bonds and metal interactions
Green residue labels for amino acids with hydrophobic contacts (green lines) to the ligand

Image generated using PoseView by BioSolveIT
BioSolveIT


LigandProteinInteraction
AtomAtomResidueDistance
(Å)
Angle (°)Type
C43CG2THR- 2783.840Hydrophobic
C35CZPHE- 2794.370Hydrophobic
C43CGMET- 5193.670Hydrophobic
C35CEMET- 5193.360Hydrophobic
C35CD2LEU- 5653.90Hydrophobic
C6CBASN- 5674.020Hydrophobic
C19CG2ILE- 5824.490Hydrophobic
C28CG2ILE- 5824.20Hydrophobic
C39CD1ILE- 5823.920Hydrophobic
C6CG2ILE- 5823.920Hydrophobic
C27SDMET- 5833.710Hydrophobic
C26SDMET- 6034.030Hydrophobic
C27CGMET- 6034.460Hydrophobic
C26CBSER- 6143.80Hydrophobic
N4NE2GLN- 6152.87148.98H-Bond
(Protein Donor)
C35CZPHE- 6184.330Hydrophobic
C24CGPHE- 6183.480Hydrophobic
DuArDuArPHE- 6183.980Aromatic Face/Face
DuArDuArPHE- 6183.980Aromatic Face/Face