Komplet distrofin-glikoproteina (DGC) je multisubunitni proteinski kompleks koji obuhvata sarkolemu i pruža strukturnu vezu između podsarkolemsog citoskeleta i vanćelijsčog matriksamišićnih ćelija. Postoje tri glavna podkompleksa DGC-a: citoplazmatski proteini distrofin (DMD; MIM 300377) i sintrofin (SNTA1; MIM 601017), alfa– i beta-distroglikani (vidi MIM 128239) i sarkoglikani (vidi npr. SGCA; MIM 600119) (Crosbie et al., 2000.).[6]
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