[4] Isolation of sarcoplasmic reticulum fractions referable to longitudinal tubules and functional terminal cisternae from rabbit skeletal muscle

A Chu, MC Dixon, A Saito, S Seiler, S Fleischer - Methods in enzymology, 1988 - Elsevier
Publisher Summary This chapter focuses on the isolation of sarcoplasmic reticulum fractions
referable to longitudinal tubules and junctional terminal cistemae from rabbit skeletal
muscle. The sarcoplasmic reticulum (SR) of fast skeletal muscle fibers is a sleeve-like
network surrounding the myofibrils that controls the cytoplasmic calcium concentration and—
thereby, regulates muscle contraction and relaxation. The membranous system consists of
mainly two regions:(1) Tubular longitudinal elements and (2) bulbous terminal cisternae …