Jun. 22, 2023
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Dystroglycan is a transmembrane protein connecting the cell to extracellular ligands, such as laminin. Alpha- and beta-dystroglycan (DG) are shown in purple. The site of action of each glycosyltransferase mutated in dystroglycanopathies is indicated at the respective bonds on the functional glycan. Abbreviations: Man= mannose, GlcNac=N-acetylglucosamine, GalNac=N-acetylgalactosamine, Gal=galactose, RboP=ribitol phosphate, Xyl=xylose, GlcA=glucuronic acid. (The figure was partially created with BioRender. Contributed by Dr. Maria Chiara Manzini.)