Title : Actin-attached and detached crossbridges in myofibrils: segregation into two populations according to their sensitivity to proteolytic digestion of myosin heavy chain.

Pub. Date : 1986 Apr

PMID : 3011856






1 Functional Relationships(s)
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1 In the presence of MgPPi or MgAMPPNP at 25 degrees C both 200 and 160 kDa fragments were present for several minutes after myosin heavy chain had been completely digested, suggesting that two populations of crossbridges (attached and detached) co-existed at the same time within the myofibril. Adenylyl Imidodiphosphate myosin heavy chain 14 Homo sapiens