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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:

4dfl

1.980 Å

X-ray

2012-01-24

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Tyrosine-protein kinase SYK
ID:KSYK_HUMAN
AC:P43405
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:2.7.10.2


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:44.738
Number of residues:28
Including
Standard Amino Acids: 28
Non Standard Amino Acids: 0
Water Molecules: 0
Cofactors:
Metals:

Cavity properties

LigandabilityVolume (Å3)
1.165560.250

% Hydrophobic% Polar
56.6343.37
According to VolSite

Ligand :
4dfl_1 Structure
HET Code: 0K0
Formula: C18H25N6O3S
Molecular weight: 405.494 g/mol
DrugBank ID: -
Buried Surface Area:57.08 %
Polar Surface area: 152.05 Å2
Number of
H-Bond Acceptors: 6
H-Bond Donors: 4
Rings: 3
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 6

Mass center Coordinates

XYZ
1.772211.4508213.377


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
C1CD1LEU- 3774.040Hydrophobic
C5CD2LEU- 3773.830Hydrophobic
C4CBLEU- 3773.810Hydrophobic
C17CG2VAL- 3854.380Hydrophobic
N23OGLU- 4492.82153.59H-Bond
(Ligand Donor)
N10NALA- 4513.01176.47H-Bond
(Protein Donor)
C27CGPRO- 4553.610Hydrophobic
C18CD2LEU- 5014.460Hydrophobic
C18CBSER- 5114.320Hydrophobic
C18CBASP- 5124.350Hydrophobic
N22OD2ASP- 5123152.24H-Bond
(Ligand Donor)
N22OD2ASP- 51230Ionic
(Ligand Cationic)