Abstract:
:5-Aryl-1H-tetrazoles (1-24) were synthesized and screened for their xanthine oxidase (XO) inhibitory activity using allopurinol as standard inhibitor (IC50 = 2.0 ± 0.01 µM). Six compounds 3, 4, 5, 9, 21, and 24 exhibited significant to weak activities with IC50 values in the range of 7.4-174.2 µM. Active compounds were further subjected to kinetic and molecular docking studies to deduce their modes of inhibition, and to study their interactions with the protein (XO) at atomic level, respectively. Interestingly, all these compounds showed a competitive mode of inhibition. Docking studies identified several important interactions between the ligand and the receptor protein (XO). Some of these interactions were similar to that exhibited by clinical inhibitors of XO (allopurinol, and febuxostat). This study identifies 5-aryl-1H-tetrazoles as a new class of xanthine oxidase inhibitors, which deserves to be further, investigated for the treatment of hyperuricemia and gout.
journal_name
Bioorg Chemjournal_title
Bioorganic chemistryauthors
Fatima I,Zafar H,Khan KM,Saad SM,Javaid S,Perveen S,Choudhary MIdoi
10.1016/j.bioorg.2018.04.021subject
Has Abstractpub_date
2018-09-01 00:00:00pages
201-211eissn
0045-2068issn
1090-2120pii
S0045-2068(17)30766-6journal_volume
79pub_type
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