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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:

1z2n

1.200 Å

X-ray

2005-03-08

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Inositol-tetrakisphosphate 1-kinase
ID:ITPK1_ENTHI
AC:Q9XYQ1
Organism:Entamoeba histolytica
Reign:Eukaryota
TaxID:5759
EC Number:2.7.1.134


Chains:

Chain Name:Percentage of Residues
within binding site
X100 %


Ligand binding site composition:

B-Factor:10.200
Number of residues:35
Including
Standard Amino Acids: 31
Non Standard Amino Acids: 1
Water Molecules: 3
Cofactors:
Metals: MG

Cavity properties

LigandabilityVolume (Å3)
0.057411.750

% Hydrophobic% Polar
41.8058.20
According to VolSite

Ligand :
1z2n_1 Structure
HET Code: ADP
Formula: C10H12N5O10P2
Molecular weight: 424.177 g/mol
DrugBank ID: -
Buried Surface Area:79 %
Polar Surface area: 260.7 Å2
Number of
H-Bond Acceptors: 14
H-Bond Donors: 3
Rings: 3
Aromatic rings: 2
Anionic atoms: 3
Cationic atoms: 0
Rule of Five Violation: 1
Rotatable Bonds: 6

Mass center Coordinates

XYZ
19.65822.958785.02852


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
O1ACZARG- 943.430Ionic
(Protein Cationic)
O1ANH2ARG- 943138.73H-Bond
(Protein Donor)
O1ANH1ARG- 943.05136.69H-Bond
(Protein Donor)
O3ANH2ARG- 943.14145.15H-Bond
(Protein Donor)
O1ANZLYS- 1362.81166.23H-Bond
(Protein Donor)
N7NZLYS- 1362.9140.86H-Bond
(Protein Donor)
O1ANZLYS- 1362.810Ionic
(Protein Cationic)
C5'CEMET- 1494.190Hydrophobic
N6OE1GLN- 1682.94171H-Bond
(Ligand Donor)
N6OHIS- 1693150.25H-Bond
(Ligand Donor)
N1NILE- 1713.02175.52H-Bond
(Protein Donor)
C2'CD1ILE- 1773.950Hydrophobic
O2'OGSER- 1942.62159.49H-Bond
(Ligand Donor)
C2'CGLEU- 1954.370Hydrophobic
C1'CD1LEU- 1953.520Hydrophobic
C4'CZPHE- 2084.360Hydrophobic
O1BND2ASN- 2103.25124.65H-Bond
(Protein Donor)
C5'CBASN- 2104.130Hydrophobic
O3BMG MG- 12952.090Metal Acceptor
O2AMG MG- 12952.230Metal Acceptor
O2BOHOH- 13932.99157.56H-Bond
(Protein Donor)