Arginine Binding Motifs: Design and Synthesis of Galactose-Derived Arginine Tweezers as Galectin-3 Inhibitors
作者:Christopher T. Öberg、Hakon Leffler、Ulf J. Nilsson
DOI:10.1021/jm701266y
日期:2008.4.1
Anionic O2 derivatives of methyl 3-deoxy-3-(4-methylbenzamido)-1-thio-beta-D-galactopyranoside have been synthesized as inhibitors against galectin-3. The sulfate, H-phosphonate, and benzyl phosphate derivatives showed an increased affinity as compared to the parent unsubstituted galactopyranoside. Modeling revealed arginine-144 being pinched by the C3 benzamide and O2 anionic substituents in that the benzamide stacked face-to-face and the anionic O2 substituent ion-paired with the guanidinium moiety.