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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:

1kqc

1.800 Å

X-ray

2002-01-04

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Oxygen-insensitive NAD(P)H nitroreductase
ID:NFSB_ENTCL
AC:Q01234
Organism:Enterobacter cloacae
Reign:Bacteria
TaxID:550
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
C62 %
D38 %


Ligand binding site composition:

B-Factor:13.420
Number of residues:43
Including
Standard Amino Acids: 40
Non Standard Amino Acids: 0
Water Molecules: 3
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.0721410.750

% Hydrophobic% Polar
39.9560.05
According to VolSite

Ligand :
1kqc_3 Structure
HET Code: FMN
Formula: C17H19N4O9P
Molecular weight: 454.328 g/mol
DrugBank ID: DB03247
Buried Surface Area:72.37 %
Polar Surface area: 217.05 Å2
Number of
H-Bond Acceptors: 12
H-Bond Donors: 4
Rings: 3
Aromatic rings: 1
Anionic atoms: 2
Cationic atoms: 0
Rule of Five Violation: 1
Rotatable Bonds: 7

Mass center Coordinates

XYZ
16.684533.553116.905


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
O1PNH2ARG- 102.91167.27H-Bond
(Protein Donor)
O1PNH1ARG- 103.48134.08H-Bond
(Protein Donor)
O2PNH1ARG- 102.86150.41H-Bond
(Protein Donor)
O1PCZARG- 103.640Ionic
(Protein Cationic)
O2PCZARG- 103.790Ionic
(Protein Cationic)
C1'CBSER- 123.960Hydrophobic
C3'CBSER- 124.360Hydrophobic
O1POGSER- 122.65155.95H-Bond
(Protein Donor)
O3PNSER- 123157.29H-Bond
(Protein Donor)
O2NZLYS- 142.67163.03H-Bond
(Protein Donor)
C8MCBPRO- 384.220Hydrophobic
C8CBSER- 404.290Hydrophobic
C7CBSER- 403.850Hydrophobic
C4'CBASN- 423.660Hydrophobic
N3OD1ASN- 712.99153.36H-Bond
(Ligand Donor)
O4ND2ASN- 713.27121.12H-Bond
(Protein Donor)
C7MCE2TYR- 1443.630Hydrophobic
C7MCD1LEU- 1454.30Hydrophobic
C8MCD1LEU- 1453.590Hydrophobic
C1'CGPRO- 1634.220Hydrophobic
C7CBPRO- 1634.120Hydrophobic
C8CGPRO- 1633.630Hydrophobic
C9CGPRO- 1633.240Hydrophobic
O4NGLU- 1653.34138.11H-Bond
(Protein Donor)
N5NGLU- 1653.09145.48H-Bond
(Protein Donor)
C6CBGLU- 1653.560Hydrophobic
C7MCGGLU- 1654.050Hydrophobic
O4NGLY- 1662.86141.93H-Bond
(Protein Donor)
C7MCG2VAL- 1874.410Hydrophobic
O2PNZLYS- 2052.77160.8H-Bond
(Protein Donor)
O2PNZLYS- 2052.770Ionic
(Protein Cationic)
O3PNZLYS- 2053.410Ionic
(Protein Cationic)
O2PCZARG- 2073.810Ionic
(Protein Cationic)
O2PNH2ARG- 2072.81163.53H-Bond
(Protein Donor)