Co-immunoprecipitation of DGC subunits. Lane 1, input; lanes 2–4, anti-alpha-dystroglycan beads (IIH6); lanes 5–7, anti-ryanodine receptor beads (XA7); lanes 8–10, bovine serum albumin beads (BSA). Western blot analysis of α-DG, β-DG, DMD, SGCA, SGCB, SGCG, SGCD, ADBN, NNOS.