| Abstract | Sugar–aminoacid–nucleosides (SAAN) were synthesized to mimic glycosyl nucleotide donors based on the hypothesis that a basic aminoacid may interact with carboxylate groups of the enzyme in a manner similar to the diphosphate metal ion complex. C-Glycoside analogues of the d-galactopyranose or l-arabinofuranose ring systems, and four aminoacids (lysine, glutamine, tryptophan, and histidine), were chosen for this study. The targets were synthesized and tested against GlfT2, a galactofuranosyltransferase essential for cell wall galactan biosynthesis in Mycobacterium tuberculosis. The inhibition assay showed that analogues containing histidine and tryptophan are moderate inhibitors of GlfT2. |
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