Abstract:
:Four series of para or meta - substituted thiazolylbenzenesulfonamides bearing Cl substituents were designed, synthesized, and evaluated as inhibitors of all 12 catalytically active recombinant human carbonic anhydrase (CA) isoforms. Observed affinities were determined by the fluorescent thermal shift assay and the intrinsic affinities were calculated based on the fractions of binding-ready deprotonated sulfonamide and CA bearing protonated hydroxide bound to the catalytic Zn(II) in the active site. Several compounds exhibited selectivity towards CA IX, an anticancer target. Intrinsic affinities reached 30 pM, while the observed affinities - 70 nM. The structure-intrinsic affinity relationship map of the compounds showed the energetic contributions of the thiazole ring and its substituents.
journal_name
Bioorg Chemjournal_title
Bioorganic chemistryauthors
Čapkauskaitė E,Zubrienė A,Paketurytė V,Timm DD,Tumkevičius S,Matulis Ddoi
10.1016/j.bioorg.2018.02.004subject
Has Abstractpub_date
2018-04-01 00:00:00pages
534-541eissn
0045-2068issn
1090-2120pii
S0045-2068(17)30913-6journal_volume
77pub_type
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