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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:

1qkn

2.250 Å

X-ray

1999-07-27

Activity from ChEMBL: What is pChEMBL ?
MinMeanMedianStandard DeviationMaxCount
pChEMBL:8.5608.5608.5600.0008.5601

List of CHEMBLId :

CHEMBL1116


Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Estrogen receptor beta
ID:ESR2_RAT
AC:Q62986
Organism:Rattus norvegicus
Reign:Eukaryota
TaxID:10116
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:47.919
Number of residues:31
Including
Standard Amino Acids: 30
Non Standard Amino Acids: 0
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.848425.250

% Hydrophobic% Polar
80.1619.84
According to VolSite

Ligand :
1qkn_1 Structure
HET Code: RAL
Formula: C28H28NO4S
Molecular weight: 474.591 g/mol
DrugBank ID: DB00481
Buried Surface Area:62.62 %
Polar Surface area: 99.44 Å2
Number of
H-Bond Acceptors: 4
H-Bond Donors: 3
Rings: 5
Aromatic rings: 4
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 7

Mass center Coordinates

XYZ
20.650129.77069.01447


Binding mode :
What is Poseview ?
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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
C18CBLEU- 2534.140Hydrophobic
C19CBTHR- 2544.220Hydrophobic
C24CG2THR- 2543.820Hydrophobic
C2CD2LEU- 2564.030Hydrophobic
C1CBALA- 2574.030Hydrophobic
C21CBALA- 2573.510Hydrophobic
N26OD1ASP- 2583.35171.72H-Bond
(Ligand Donor)
N26OD1ASP- 2583.350Ionic
(Ligand Cationic)
O3OE1GLU- 2603.39133.56H-Bond
(Ligand Donor)
O3OE2GLU- 2602.6151.6H-Bond
(Ligand Donor)
C30CD1LEU- 2613.420Hydrophobic
S6SDMET- 2914.370Hydrophobic
C13CEMET- 2913.60Hydrophobic
C22CEMET- 2913.750Hydrophobic
C2CD1LEU- 2944.240Hydrophobic
C4CBLEU- 2943.940Hydrophobic
C22CD1LEU- 2944.210Hydrophobic
S6CGMET- 2954.130Hydrophobic
C8CEMET- 2954.360Hydrophobic
S6CD2LEU- 2983.960Hydrophobic
C4CD2LEU- 2983.860Hydrophobic
O3NH2ARG- 3013.03145.71H-Bond
(Protein Donor)
S6CE1PHE- 3113.940Hydrophobic
C10CG1ILE- 3283.840Hydrophobic
C10CG2ILE- 3313.410Hydrophobic
C9CD1LEU- 3354.210Hydrophobic
C12CD2LEU- 4313.640Hydrophobic
C20CD1LEU- 4313.620Hydrophobic