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Updated: Sep 27, 2025

A Semi-High-Throughput Adaptation of the NADH-Coupled ATPase Assay for Screening Small Molecule Inhibitors
Published on: August 17, 2019
Small Molecule Alkoxy Oriented Selectiveness on Human Carbonic Anhydrase II and IX Inhibition
Murat Bozdag1, Lochlin Cravey2, Jacob Combs2
1NEUROFARBA Department Sezione di Scienze Farmaceutiche e Nutraceutiche, University of Florence, Via Ugo Schiff 6 Sesto Fiorentino, 50019, Florence, Italy.
Abstract:
We report aryl sulfonamide inhibitors of human carbonic anhydrase (hCA; EC 4.2.1.1) enzymes containing short ureido alkoxy tails. The inhibition potency of such compounds was investigated in vitro on the major hCA isoforms (i.e. I, II, IX, and XII). A selection of the most potent inhibitory derivatives against the hCA IX isoform (i.e. 5a, 5c, and 6c) was studied, and their binding modes on either hCA II and IX-mimic isoform were assessed by X-ray crystallography on the corresponding ligand/protein adducts. This study adds to the field of developing hCA inhibitors at molecular level the critical interactions governing ligand selectivity.
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