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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:

4xiw

2.600 Å

X-ray

2015-01-07

Interactomes:
Molecular Function:
Binding Site :

Uniprot Annotation

Name:Carbonic anhydrase, alpha type
ID:Q39588_CHLRE
AC:Q39588
Organism:Chlamydomonas reinhardtii
Reign:Eukaryota
TaxID:3055
EC Number:/


Chains:

Chain Name:Percentage of Residues
within binding site
A91 %
G4 %
H4 %


Ligand binding site composition:

B-Factor:24.001
Number of residues:24
Including
Standard Amino Acids: 22
Non Standard Amino Acids: 1
Water Molecules: 1
Cofactors:
Metals: ZN

Cavity properties

LigandabilityVolume (Å3)
0.7931825.875

% Hydrophobic% Polar
48.4351.57
According to VolSite

Ligand :
4xiw_1 Structure
HET Code: AZM
Formula: C4H6N4O3S2
Molecular weight: 222.245 g/mol
DrugBank ID: DB00819
Buried Surface Area:63.88 %
Polar Surface area: 151.66 Å2
Number of
H-Bond Acceptors: 5
H-Bond Donors: 2
Rings: 1
Aromatic rings: 1
Anionic atoms: 0
Cationic atoms: 0
Rule of Five Violation: 0
Rotatable Bonds: 2

Mass center Coordinates

XYZ
-35.2092-33.364523.4335


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- 1814.280Hydrophobic
C4CG2VAL- 2183.420Hydrophobic
S2CD2LEU- 2533.540Hydrophobic
N1OG1THR- 2542.8149.81H-Bond
(Ligand Donor)
O1NTHR- 2542.72148.62H-Bond
(Protein Donor)
N3OG1THR- 2553.05149.94H-Bond
(Protein Donor)
N1ZN ZN- 4011.760Metal Acceptor