Logo scPDB

sc-PDB

An Annotated Database of Druggable Binding Sites from the Protein DataBank

Logo CNRS Logo Unistra
Protein Data Bank Entry:

1bnq

2.400 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:7.765
Number of residues:30
Including
Standard Amino Acids: 29
Non Standard Amino Acids: 1
Water Molecules: 0
Cofactors:
Metals: ZN

Cavity properties

LigandabilityVolume (Å3)
0.375320.625

% Hydrophobic% Polar
47.3752.63
According to VolSite

Ligand :
1bnq_1 Structure
HET Code: AL4
Formula: C11H20N3O5S3
Molecular weight: 370.489 g/mol
DrugBank ID: DB03877
Buried Surface Area:63.74 %
Polar Surface area: 168.37 Å2
Number of
H-Bond Acceptors: 5
H-Bond Donors: 2
Rings: 2
Aromatic rings: 1
Anionic atoms: 0
Cationic atoms: 1
Rule of Five Violation: 0
Rotatable Bonds: 6

Mass center Coordinates

XYZ
-4.172274.1840914.6285


Binding mode :
What is Poseview ?
  • 2D View
  • 3D View
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
C17CZ2TRP- 53.570Hydrophobic
C17CBHIS- 644.110Hydrophobic
S2CG2VAL- 1213.610Hydrophobic
C11CE2PHE- 1313.920Hydrophobic
C14CE2PHE- 1314.310Hydrophobic
C14CG1VAL- 1354.060Hydrophobic
C12CD1LEU- 1983.90Hydrophobic
S2CD2LEU- 1983.780Hydrophobic
O1ANTHR- 1992.87149.33H-Bond
(Protein Donor)
N21OG1THR- 1992.9171.16H-Bond
(Ligand Donor)
C17CBTHR- 2004.410Hydrophobic
C12CGPRO- 2024.250Hydrophobic
C14CD1LEU- 2044.440Hydrophobic
N21ZN ZN- 2621.940Metal Acceptor