Reference: Alafeefy AM, et al. (2013) Carbonic anhydrase inhibitors. Benzenesulfonamides incorporating cyanoacrylamide moieties strongly inhibit Saccharomyces cerevisiae β-carbonic anhydrase. Bioorg Med Chem Lett 23(12):3570-5

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Abstract


A series of benzenesulfonamides incorporating cyanoacrylamide moieties (tyrphostine analogs) were assayed as inhibitors of the β-carbonic anhydrase (CA, EC 4.2.1.1) from Saccharomyces cerevisiae, ScCA. Some of these compounds were low nanomolar or subnanomolar ScCA inhibitors and showed selectivity ratios in the range of 4.91-69.86 for inhibiting the yeast enzyme over the offtarget human (h) isoforms hCA I and of 6.46-13.52 for inhibiting ScCA over hCA II. The model organism S. cerevisiae and this particular enzyme may be useful for detecting antifungals with a novel mechanism of action compared to the classical azole drugs to which significant drug resistance emerged. Indeed, some of these sulfonamides inhibited the growth of the yeast with CC50-s in the range of 0.73-6.54 μM.

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Letter | Research Support, Non-U.S. Gov't
Authors
Alafeefy AM, Isik S, Al-Jaber NA, Vullo D, Abdel-Aziz HA, Ashour AE, Awaad AS, Capasso C, Supuran CT
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