Crystal structure of the human carbonic anhydrase II adduct with 1-(4-sulfamoylphenyl-ethyl)-2, 4, 6-triphenylpyridinium perchlorate, a membrane-impermeant, isoform selective inhibitor
Crystal structure of the human carbonic anhydrase II adduct with 1-(4-sulfamoylphenyl-ethyl)-2, 4, 6-triphenylpyridinium perchlorate, a membrane-impermeant, isoform selective inhibitor(638 views) Alterio V, Esposito D, Monti SM, Supuran CT, De Simone G
a Istituto di Biostrutture e Bioimagini-CNR , Naples , Italy., b Neurofarba Department, Section of Pharmaceutical and Nutraceutical Sciences , Universita degli Studi di Firenze , Sesto Fiorentino, Florence , Italy.,
References: Not available.
Crystal structure of the human carbonic anhydrase II adduct with 1-(4-sulfamoylphenyl-ethyl)-2, 4, 6-triphenylpyridinium perchlorate, a membrane-impermeant, isoform selective inhibitor
Pyridinium containing sulfonamides have been largely investigated as carbonic anhydrase inhibitors (CAIs), showing interesting selectivity features. Nevertheless, only few structural studies are so far available on adducts that these compounds form with diverse CA isoforms. In this paper, we report the structural characterization of the adduct that a triphenylpyridinium derivative forms with hCA II, showing that the substitution of the pyridinium ring plays a key role in determining the conformation of the inhibitor in the active site and consequently the binding affinity to the enzyme. These findings open new perspectives on the basic structural requirements for designing sulfonamide CAIs with a selective inhibition profile.
Crystal structure of the human carbonic anhydrase II adduct with 1-(4-sulfamoylphenyl-ethyl)-2, 4, 6-triphenylpyridinium perchlorate, a membrane-impermeant, isoform selective inhibitor
Crystal structure of the human carbonic anhydrase II adduct with 1-(4-sulfamoylphenyl-ethyl)-2, 4, 6-triphenylpyridinium perchlorate, a membrane-impermeant, isoform selective inhibitor
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