3T5U

Crystal structure of the human carbonic anhydrase II in complex with N-hydroxy benzenesulfonamide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.183 
  • R-Value Work: 0.171 

wwPDB Validation   3D Report Full Report



Literature

Carbonic anhydrase inhibitors: X-ray crystallographic studies for the binding of N-substituted benzenesulfonamides to human isoform II.

Di Fiore, A.Maresca, A.Alterio, V.Supuran, C.T.De Simone, G.

(2011) Chem Commun (Camb) 47: 11636-11638

  • DOI: 10.1039/c1cc14575d
  • Primary Citation of Related Structures:  
    3T5U, 3T5Z

  • PubMed Abstract: 
  • N-substituted benzenesulfonamides, incorporating the N-amino-, N-hydroxy- and N-methoxy-moieties at the sulfonamide zinc binding group, have been investigated as CAIs by means of inhibition and structural studies, unraveling interesting aspects relat ...

    N-substituted benzenesulfonamides, incorporating the N-amino-, N-hydroxy- and N-methoxy-moieties at the sulfonamide zinc binding group, have been investigated as CAIs by means of inhibition and structural studies, unraveling interesting aspects related to their inhibition mechanism.


    Related Citations: 
    • Refined structure of human carbonic anhydrase II at 2.0 A resolution.
      Eriksson, A.E., Jones, T.A., Liljas, A.
      (1988) Proteins 4: 274
    • Thermodynamic optimisation in drug discovery: a case study using carbonic anhydrase inhibitors.
      Scott, A.D., Phillips, C., Alex, A., Flocco, M., Bent, A., Randall, A., O'Brien, R., Damian, L., Jones, L.H.
      (2009) ChemMedChem 4: 1985

    Organizational Affiliation

    Istituto di Biostrutture e Bioimmagini-CNR, via Mezzocannone 16, 80134 Napoli, Italy.



Macromolecules
Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Carbonic anhydrase 2A259Homo sapiensMutation(s): 0 
Gene Names: CA2
EC: 4.2.1.1
Find proteins for P00918 (Homo sapiens)
Explore P00918 
Go to UniProtKB:  P00918
NIH Common Fund Data Resources
PHAROS  P00918
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MBO
Query on MBO

Download CCD File 
A
MERCURIBENZOIC ACID
C7 H5 Hg O2
FVFZSVRSDNUCGG-UHFFFAOYSA-N
 Ligand Interaction
A09
Query on A09

Download CCD File 
A
N-hydroxybenzenesulfonamide
C6 H7 N O3 S
BRMDATNYMUMZLN-UHFFFAOYSA-N
 Ligand Interaction
GOL
Query on GOL

Download CCD File 
A
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
 Ligand Interaction
ZN
Query on ZN

Download CCD File 
A
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
 Ligand Interaction
External Ligand Annotations 
IDBinding Affinity (Sequence Identity %)
A09Ki:  5470   nM  Binding MOAD
A09Ki :  26   nM  PDBBind
A09Ki:  26   nM  BindingDB
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.183 
  • R-Value Work: 0.171 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 42.26α = 90
b = 41.54β = 104.43
c = 72.09γ = 90
Software Package:
Software NamePurpose
CrystalCleardata collection
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2012-06-20
    Type: Initial release