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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:

3axw

2.500 Å

X-ray

2011-04-18

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Casein kinase II subunit alpha
ID:CSK21_HUMAN
AC:P68400
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:2.7.11.1


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:27.100
Number of residues:25
Including
Standard Amino Acids: 24
Non Standard Amino Acids: 0
Water Molecules: 1
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
0.985823.500

% Hydrophobic% Polar
50.0050.00
According to VolSite

Ligand :
3axw_1 Structure
HET Code: TID
Formula: C9H6N3O2S
Molecular weight: 220.228 g/mol
DrugBank ID: -
Buried Surface Area:67.76 %
Polar Surface area: 120.17 Å2
Number of
H-Bond Acceptors: 5
H-Bond Donors: 1
Rings: 2
Aromatic rings: 2
Anionic atoms: 1
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 2

Mass center Coordinates

XYZ
36.51664.942-13.1331


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
C1CG1VAL- 534.230Hydrophobic
S24CG2VAL- 663.80Hydrophobic
C1CG1VAL- 663.870Hydrophobic
O15NZLYS- 682.83139.83H-Bond
(Protein Donor)
O15NZLYS- 682.830Ionic
(Protein Cationic)
O17NZLYS- 683.560Ionic
(Protein Cationic)
C3CG1ILE- 953.770Hydrophobic
C3CBPHE- 1134.020Hydrophobic
N22NVAL- 1163.02138.23H-Bond
(Protein Donor)
N30OVAL- 1163.04130.34H-Bond
(Ligand Donor)
S24SDMET- 1633.740Hydrophobic
C3CG2ILE- 1743.660Hydrophobic
C4CBILE- 1743.520Hydrophobic
C6CD1ILE- 1743.50Hydrophobic
O17NASP- 1752.98131.37H-Bond
(Protein Donor)
O17OHOH- 3382.64164.02H-Bond
(Protein Donor)