... et al. Nucleocytoplasmic translocation of muscle glycogen synthase FEBS Journal 272 (2005) 31973213 ê 2005 FEBS 3209 Determinants of the nucleocytoplasmic shuttling of muscle glycogen synthase Emili ... aresult of the influx of glucose in the cell, is the signalfor the re-export of MGS. This ends the nuclear activ-ity of HsMGS, which is relocated in the cytoplasm in the presence of its allosteric ... fetal bovine serum; GS, glycogen synthase; LGS, liver glycogen synthase; MGS, muscle glycogen synthase; HsMGS, human muscle glycogen synthase; RnLGS, rat liver glycogen synthase; GFP, green fluorescent...