Alpha-dystroglycan requires a rare O-mannose glycan modification to form its binding epitope for extracellular matrix proteins such as laminin. This functional glycan is disrupted in a cohort of muscular dystrophies. the secondary dystroglycanopathies. and is abnormal in some metastatic cancers. https://www.duospiritalis.com/top-deal-Serra-Avatar-Urza-s-Saga-clearance/