An efficient synthesis of GDP-hexanolamine, a key tool for the purification of fucosyltransferases
A new efficient synthesis of GDP-hexanolamine from hexanolamine is reported with an overall yield of 71%. The pyrophosphate formation, the key step of this preparation, was achieved through a sequential GMP activation procedure based on polytrifluoroacetylation of GMP followed by activation of the phosphate group by 1-methylimidazole.
Potent ligands for prokaryotic UDP-galactopyranose mutase that exploit an enzyme subsite
UDP-Galactopyranose mutase (UGM or Glf), which catalyzes the interconversion of UDP-galactopyranose and UDP-galactofuranose, is implicated in the viability and virulence of multiple pathogenic microorganisms. Here we report the synthesis of high-affinity ligands for UGM homologues from Klebsiella pneumoniae and Mycobacterium tuberculosis. The potency of these compounds stems from their ability to access both the substrate binding pocket and an adjacent site.
Dykhuizen, Emily C.,Kiessling, Laura L.
supporting information; experimental part
p. 193 - 196
(2009/06/28)
INHIBITORS OF UDP-GALACTOPYRANOSE MUTASE THWART MYCOBACTERIAL GROWTH
Compounds which inhibit microbial growth or attenuate the virulence of pathogen microorganisms. Compounds of the invention inhibit UDP-galactopyranose mutase (UGM) and have activity as inhibitors of microbial growth of microorganisms which contain this enzyme and particularly those microorganisms in which this enzyme is responsible for the incorporation of galactofuranose residues, particularly for uridine 5'-diphosphate (UDP) galactopyranose mutase. Compounds of the invention inhibit UDP- galactopyranose mutase (UGM) and have activity to attenuate virulence of pathogenic microorganisms, including mycobacteria.
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Page/Page column 68
(2009/12/05)
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