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Squaryl group-modified UDP analogs as inhibitors of the endoplasmic reticulum-resident folding sensor enzyme UGGT.

Junpei AbeYoichi TakedaTakashi KikumaYasuhiko KizukaHiroyuki KajiuraYasuhiro KajiharaYukishige Ito
Published in: Chemical communications (Cambridge, England) (2023)
UDP-Glc:glycoprotein glucosyltransferase (UGGT) has a central role to retain quality control of correctly folded N -glycoprotein in the endoplasmic reticulum (ER). A selective and potent inhibitor against UGGT could lead to elucidation of UGGT-related events, but such a molecule has not been identified so far. Examples of small molecules with UGGT inhibitory activity are scarce. Here, we report squaryl group-modified UDP analogs as a promising UGGT inhibitor. Among these, the compound possessing a 2'-amino group of the uridine moiety and hydroxyethyl-substituted squaramide exhibited the highest potency, suggesting its relevance as a molecule for further optimization.
Keyphrases
  • endoplasmic reticulum
  • quality control
  • molecular docking
  • single molecule
  • molecular dynamics simulations
  • anti inflammatory
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