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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:

4nky

2.550 Å

X-ray

2013-11-13

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Steroid 17-alpha-hydroxylase/17,20 lyase
ID:CP17A_HUMAN
AC:P05093
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
D100 %


Ligand binding site composition:

B-Factor:42.999
Number of residues:30
Including
Standard Amino Acids: 28
Non Standard Amino Acids: 1
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.6461073.250

% Hydrophobic% Polar
62.5837.42
According to VolSite

Ligand :
4nky_4 Structure
HET Code: 3QZ
Formula: C21H30O3
Molecular weight: 330.461 g/mol
DrugBank ID: -
Buried Surface Area:75.18 %
Polar Surface area: 54.37 Å2
Number of
H-Bond Acceptors: 3
H-Bond Donors: 1
Rings: 4
Aromatic rings: 0
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 1

Mass center Coordinates

XYZ
-2.819174.84190.672


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
CABCD2LEU- 1053.870Hydrophobic
CAHCD2LEU- 1054.370Hydrophobic
CALCBALA- 1133.490Hydrophobic
CACCZPHE- 1144.020Hydrophobic
CAJCE2PHE- 1143.980Hydrophobic
CALCZPHE- 1144.450Hydrophobic
CASCZPHE- 1144.290Hydrophobic
CAICG2ILE- 2053.90Hydrophobic
CAICG1ILE- 2063.580Hydrophobic
CAMCD1ILE- 2063.910Hydrophobic
CABCD2LEU- 2094.40Hydrophobic
CAJCBASP- 2984.470Hydrophobic
CAUCBALA- 3023.860Hydrophobic
CAMCGGLU- 3053.990Hydrophobic
CAACG2THR- 3063.590Hydrophobic
CANCG2THR- 3064.030Hydrophobic
CAACG1VAL- 3663.670Hydrophobic
CAOCD1ILE- 3713.780Hydrophobic
CABCG1VAL- 4824.170Hydrophobic
CACCG2VAL- 4823.310Hydrophobic
CAKCG2VAL- 4833.740Hydrophobic
OAEOHOH- 7293.16179.97H-Bond
(Protein Donor)