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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:

1i9q

1.800 Å

X-ray

2001-03-20

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Carbonic anhydrase 2
ID:CAH2_HUMAN
AC:P00918
Organism:Homo sapiens
Reign:Eukaryota
TaxID:9606
EC Number:4.2.1.1


Chains:

Chain Name:Percentage of Residues
within binding site
A100 %


Ligand binding site composition:

B-Factor:10.516
Number of residues:26
Including
Standard Amino Acids: 24
Non Standard Amino Acids: 2
Water Molecules: 0
Cofactors:
Metals: ZN

Cavity properties

LigandabilityVolume (Å3)
0.657398.250

% Hydrophobic% Polar
49.1550.85
According to VolSite

Ligand :
1i9q_2 Structure
HET Code: IOF
Formula: C14H11F3N2O3S
Molecular weight: 344.309 g/mol
DrugBank ID: DB02861
Buried Surface Area:47.23 %
Polar Surface area: 97.63 Å2
Number of
H-Bond Acceptors: 3
H-Bond Donors: 2
Rings: 2
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 4

Mass center Coordinates

XYZ
-3.2445.6659614.7391


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
C04CG2VAL- 1213.620Hydrophobic
F22CG2VAL- 1354.260Hydrophobic
F23CG1VAL- 1353.330Hydrophobic
C02CBLEU- 1984.150Hydrophobic
C05CD2LEU- 1984.140Hydrophobic
F23CD1LEU- 1983.750Hydrophobic
NP2OG1THR- 1993.08170.89H-Bond
(Ligand Donor)
O14NTHR- 1992.95157.28H-Bond
(Protein Donor)
C02CBTHR- 2004.410Hydrophobic
C18CGPRO- 2023.880Hydrophobic
C19CGPRO- 2023.750Hydrophobic
C19CD1LEU- 2044.240Hydrophobic
F22CD1LEU- 2044.080Hydrophobic
F23CGLEU- 2044.290Hydrophobic
NP2ZN ZN- 2621.740Metal Acceptor