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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:

3qa2

2.520 Å

X-ray

2011-01-10

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Ketohexokinase
ID:KHK_HUMAN
AC:P50053
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A97 %
B3 %


Ligand binding site composition:

B-Factor:64.560
Number of residues:31
Including
Standard Amino Acids: 31
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.1241319.625

% Hydrophobic% Polar
42.9757.03
According to VolSite

Ligand :
3qa2_1 Structure
HET Code: XNA
Formula: C21H27N8
Molecular weight: 391.493 g/mol
DrugBank ID: -
Buried Surface Area:50.19 %
Polar Surface area: 95.47 Å2
Number of
H-Bond Acceptors: 7
H-Bond Donors: 3
Rings: 5
Aromatic rings: 3
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 6

Mass center Coordinates

XYZ
-5.88497-1.9497219.6078


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
N27OD1ASP- 273.240Ionic
(Ligand Cationic)
C02CBALA- 2244.210Hydrophobic
C04CBALA- 2243.480Hydrophobic
C25CBALA- 2264.250Hydrophobic
C21CBGLU- 2273.810Hydrophobic
C20CBPRO- 2463.870Hydrophobic
C20CBVAL- 2504.460Hydrophobic
C25CBTHR- 2534.360Hydrophobic
C29CG2THR- 2534.020Hydrophobic
C06CBALA- 2563.780Hydrophobic
C01CD1PHE- 2604.410Hydrophobic
C03CBPHE- 2603.80Hydrophobic
C01SGCYS- 2823.80Hydrophobic
C07CBALA- 2854.060Hydrophobic