<prompt> Which of the following is not a sarcolemal proteinSarcoglycanDystrophinDystroglycanPerlecan  <response>: Caplin, dystrophin, dysfelin, dystroglycan, sacroglycan, caveoli integrins are sacrolemmal proteins. Where as perlecan is a large multidomain proteoglycan, which is synthesised by both vascular endothelium and smooth muscle cells and deposited in extra cellular matrix. 