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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:

4nkv

2.650 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
A100 %


Ligand binding site composition:

B-Factor:51.568
Number of residues:28
Including
Standard Amino Acids: 27
Non Standard Amino Acids: 1
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.8751144.125

% Hydrophobic% Polar
63.7236.28
According to VolSite

Ligand :
4nkv_1 Structure
HET Code: AER
Formula: C24H31NO
Molecular weight: 349.509 g/mol
DrugBank ID: DB05812
Buried Surface Area:74.19 %
Polar Surface area: 33.12 Å2
Number of
H-Bond Acceptors: 2
H-Bond Donors: 1
Rings: 5
Aromatic rings: 1
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 1

Mass center Coordinates

XYZ
-29.4647-3.10162-35.808


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
C4CD1LEU- 1053.780Hydrophobic
C19CD2LEU- 1053.830Hydrophobic
C15CBALA- 1133.690Hydrophobic
C15CE2PHE- 1144.350Hydrophobic
C18CZPHE- 1143.740Hydrophobic
C2CBASN- 2024.290Hydrophobic
O3OD1ASN- 2022.73153.01H-Bond
(Ligand Donor)
C2CG2ILE- 2054.480Hydrophobic
C3CD1ILE- 2054.450Hydrophobic
C4CG2ILE- 2054.30Hydrophobic
C19CG2ILE- 2054.290Hydrophobic
C19CG1ILE- 2064.440Hydrophobic
C2CG1ILE- 2064.010Hydrophobic
C19CD2LEU- 2094.460Hydrophobic
C20CBALA- 3024.070Hydrophobic
C14CBALA- 3023.820Hydrophobic
C1CGGLU- 3053.980Hydrophobic
C12CG2THR- 3064.490Hydrophobic
C24CG2THR- 3063.290Hydrophobic
C24CG1VAL- 3663.430Hydrophobic
C11CG1VAL- 4824.440Hydrophobic
C18CG2VAL- 4823.60Hydrophobic
C12CG2VAL- 4834.020Hydrophobic
C25CG2VAL- 4833.870Hydrophobic