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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:

1rkw

2.620 Å

X-ray

2003-11-23

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:HTH-type transcriptional regulator QacR
ID:QACR_STAAU
AC:P0A0N4
Organism:Staphylococcus aureus
Reign:Bacteria
TaxID:1280
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:55.001
Number of residues:30
Including
Standard Amino Acids: 30
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.164965.250

% Hydrophobic% Polar
51.7548.25
According to VolSite

Ligand :
1rkw_1 Structure
HET Code: PNT
Formula: C19H26N4O2
Molecular weight: 342.435 g/mol
DrugBank ID: DB00738
Buried Surface Area:55.15 %
Polar Surface area: 121.68 Å2
Number of
H-Bond Acceptors: 4
H-Bond Donors: 4
Rings: 2
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 2
Rule of Five Violation: 0
Rotatable Bonds: 10

Mass center Coordinates

XYZ
-63.3942-44.62411.59244


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
C5'CBLYS- 603.440Hydrophobic
C7CZ3TRP- 6140Hydrophobic
C2'CBTRP- 613.970Hydrophobic
C7'CE3TRP- 613.550Hydrophobic
C3CBSER- 863.310Hydrophobic
C10CBTHR- 894.340Hydrophobic
C8CBGLU- 903.520Hydrophobic
C8CD1TYR- 934.230Hydrophobic
C10CGTYR- 934.020Hydrophobic
C7'CE2TYR- 933.690Hydrophobic
C8'CZTYR- 933.910Hydrophobic
N1OHTYR- 1272.83137.27H-Bond
(Ligand Donor)
N2OALA- 1533.02120.06H-Bond
(Ligand Donor)