5CJF

The crystal structure of the human carbonic anhydrase XIV in complex with a 1,1'-biphenyl-4-sulfonamide inhibitor.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.196 

wwPDB Validation 3D Report Full Report



Literature

Discovery of 1,1'-Biphenyl-4-sulfonamides as a New Class of Potent and Selective Carbonic Anhydrase XIV Inhibitors.

La Regina, G.Coluccia, A.Famiglini, V.Pelliccia, S.Monti, L.Vullo, D.Nuti, E.Alterio, V.De Simone, G.Monti, S.M.Pan, P.Parkkila, S.Supuran, C.T.Rossello, A.Silvestri, R.

(2015) J Med Chem 58: 8564-8572

  • DOI: 10.1021/acs.jmedchem.5b01144
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • New 1,1'-biphenylsulfonamides were synthesized and evaluated as inhibitors of the ubiquitous human carbonic anhydrase isoforms I, II, IX, XII, and XIV using acetazolamide (AAZ) as reference compound. The sulfonamides 1-21 inhibited all the isoforms, ...

    New 1,1'-biphenylsulfonamides were synthesized and evaluated as inhibitors of the ubiquitous human carbonic anhydrase isoforms I, II, IX, XII, and XIV using acetazolamide (AAZ) as reference compound. The sulfonamides 1-21 inhibited all the isoforms, with Ki values in the nanomolar range of concentration, and were superior to AAZ against all of them. X-ray crystallography and molecular modeling studies on the adducts that compound 20, the most potent hCA XIV inhibitor of the series (Ki = 0.26 nM), formed with the five hCAs, provided insight into the molecular determinants responsible for the high affinity of this molecule toward the target enzymes. The results pave the way to the development of 1.1'-biphenylsulfonamides as a new class of highy potent hCA XIV inhibitors.


    Organizational Affiliation

    Istituto Pasteur Italia-Fondazione Cenci Bolognetti, Dipartimento di Chimica e Tecnologie del Farmaco, Sapienza Università di Roma , Piazzale Aldo Moro 5, I-00185 Roma, Italy.



Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Carbonic anhydrase 14A279Homo sapiensMutation(s): 0 
Gene Names: CA14UNQ690/PRO1335
EC: 4.2.1.1
Find proteins for Q9ULX7 (Homo sapiens)
Explore Q9ULX7 
Go to UniProtKB:  Q9ULX7
NIH Common Fund Data Resources
PHAROS  Q9ULX7
Protein Feature View
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  • Reference Sequence
Oligosaccharides
Entity ID: 2
MoleculeChainsChain Length2D Diagram Glycosylation
alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
B
5 N-Glycosylation
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
520
Query on 520

Download CCD File 
A
4'-(4-aminobenzoyl)biphenyl-4-sulfonamide
C19 H16 N2 O3 S
XKAQFZLONLOUSN-UHFFFAOYSA-N
 Ligand Interaction
SO4
Query on SO4

Download CCD File 
A
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
 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 %)
520Ki:  0.25999999046325684   nM  BindingDB
520Ki:  0.25999999046325684   nM  Binding MOAD
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.83 Å
  • R-Value Free: 0.216 
  • R-Value Work: 0.197 
  • R-Value Observed: 0.196 
  • Space Group: P 41 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 88.495α = 90
b = 88.495β = 90
c = 108.736γ = 90
Software Package:
Software NamePurpose
CNSrefinement
d*TREKdata scaling
HKL-2000data scaling
PDB_EXTRACTdata extraction
HKL-2000data reduction
CNSphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2015-11-04
    Type: Initial release
  • Version 1.1: 2015-11-25
    Changes: Database references
  • Version 1.2: 2015-12-02
    Changes: Database references
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Derived calculations, Structure summary