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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:

3qai

2.700 Å

X-ray

2011-01-11

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:59.569
Number of residues:35
Including
Standard Amino Acids: 35
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.1391444.500

% Hydrophobic% Polar
44.6355.37
According to VolSite

Ligand :
3qai_1 Structure
HET Code: XNN
Formula: C22H27N8S
Molecular weight: 435.568 g/mol
DrugBank ID: -
Buried Surface Area:52.86 %
Polar Surface area: 120.77 Å2
Number of
H-Bond Acceptors: 8
H-Bond Donors: 3
Rings: 6
Aromatic rings: 3
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 7

Mass center Coordinates

XYZ
-5.45448-1.9178419.317


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
N29OD2ASP- 273.14143.12H-Bond
(Ligand Donor)
N29OD1ASP- 273.06145.91H-Bond
(Ligand Donor)
N29OD2ASP- 273.140Ionic
(Ligand Cationic)
N29OD1ASP- 273.060Ionic
(Ligand Cationic)
C01CBALA- 2243.790Hydrophobic
C04CBALA- 2243.420Hydrophobic
C26CBALA- 2264.280Hydrophobic
C31CBALA- 2263.720Hydrophobic
C23CBGLU- 2273.530Hydrophobic
C22CBGLU- 22740Hydrophobic
C01CBALA- 2303.690Hydrophobic
C24CBPRO- 2464.150Hydrophobic
C22CBPRO- 2463.720Hydrophobic
C21CG2VAL- 2503.490Hydrophobic
C26CG2THR- 2534.460Hydrophobic
C07CBALA- 2563.510Hydrophobic
C01CE1PHE- 2604.120Hydrophobic
S02CD1PHE- 2604.060Hydrophobic
C04CBPHE- 2603.510Hydrophobic
C01SGCYS- 2823.560Hydrophobic
C08CBALA- 2854.10Hydrophobic
C03CBALA- 2853.840Hydrophobic