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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:

1bn1

2.100 Å

X-ray

1998-07-31

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:11.578
Number of residues:27
Including
Standard Amino Acids: 26
Non Standard Amino Acids: 1
Water Molecules: 0
Cofactors:
Metals: ZN

Cavity properties

LigandabilityVolume (Å3)
0.561384.750

% Hydrophobic% Polar
53.5146.49
According to VolSite

Ligand :
1bn1_1 Structure
HET Code: AL5
Formula: C12H14N2O4S3
Molecular weight: 346.446 g/mol
DrugBank ID: DB07363
Buried Surface Area:54.16 %
Polar Surface area: 151.32 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
-3.8575.1955714.8308


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- 1213.710Hydrophobic
C14CG1VAL- 1354.210Hydrophobic
C16CG2VAL- 1354.270Hydrophobic
S2CD2LEU- 1983.670Hydrophobic
C15CD1LEU- 1983.820Hydrophobic
O1ANTHR- 1992.82154.19H-Bond
(Protein Donor)
N21OG1THR- 1992.62171.41H-Bond
(Ligand Donor)
C15CGPRO- 2023.680Hydrophobic
C14CD1LEU- 2044.150Hydrophobic
N21ZN ZN- 2621.910Metal Acceptor