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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:

1bnw

2.250 Å

X-ray

1998-07-30

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:8.819
Number of residues:25
Including
Standard Amino Acids: 24
Non Standard Amino Acids: 1
Water Molecules: 0
Cofactors:
Metals: ZN

Cavity properties

LigandabilityVolume (Å3)
0.313337.500

% Hydrophobic% Polar
47.0053.00
According to VolSite

Ligand :
1bnw_1 Structure
HET Code: TPD
Formula: C9H10N2O4S4
Molecular weight: 338.447 g/mol
DrugBank ID: DB02986
Buried Surface Area:53.77 %
Polar Surface area: 179.57 Å2
Number of
H-Bond Acceptors: 4
H-Bond Donors: 2
Rings: 2
Aromatic rings: 2
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 5

Mass center Coordinates

XYZ
-4.183794.8564714.8266


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
S2CG2VAL- 1213.880Hydrophobic
C9CD1LEU- 1983.990Hydrophobic
S2CD2LEU- 1983.650Hydrophobic
S14CD1LEU- 1984.050Hydrophobic
O1ANTHR- 1992.96150.66H-Bond
(Protein Donor)
N21OG1THR- 1992.75162.2H-Bond
(Ligand Donor)
S14CGPRO- 2023.540Hydrophobic
S14CD1LEU- 2044.390Hydrophobic
N21ZN ZN- 26220Metal Acceptor