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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:

1sqk

2.500 Å

X-ray

2004-03-19

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Actin, alpha skeletal muscle
ID:ACTS_RABIT
AC:P68135
Organism:Oryctolagus cuniculus
Reign:Eukaryota
TaxID:9986
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:24.804
Number of residues:31
Including
Standard Amino Acids: 28
Non Standard Amino Acids: 1
Water Molecules: 2
Cofactors: ADP
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.223502.875

% Hydrophobic% Polar
50.3449.66
According to VolSite

Ligand :
1sqk_1 Structure
HET Code: LAR
Formula: C22H31NO5S
Molecular weight: 421.550 g/mol
DrugBank ID: DB02621
Buried Surface Area:62.54 %
Polar Surface area: 110.16 Å2
Number of
H-Bond Acceptors: 6
H-Bond Donors: 2
Rings: 3
Aromatic rings: 0
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 1

Mass center Coordinates

XYZ
22.404312.030621.987


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
C15CD2LEU- 163.670Hydrophobic
C5CGPRO- 324.20Hydrophobic
C12CBPRO- 323.780Hydrophobic
C12CG2ILE- 343.950Hydrophobic
C22CGGLN- 594.130Hydrophobic
C12CZTYR- 694.220Hydrophobic
N1OD1ASP- 1572.74153.11H-Bond
(Ligand Donor)
S1CG2THR- 1863.620Hydrophobic
O5OG1THR- 1862.69162.76H-Bond
(Protein Donor)
S1CGARG- 2063.950Hydrophobic
O4OE2GLU- 2072.8152.68H-Bond
(Ligand Donor)
C22CGGLU- 2073.870Hydrophobic
S1CDARG- 2103.990Hydrophobic
C17CDARG- 2104.120Hydrophobic
O5NZLYS- 2133.36127.22H-Bond
(Protein Donor)