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Pyrophosphate Binding to and Adenosine Triphosphatase Activity of Myosin and Its Proteolytic Fragments

Journal of Biological ChemistryPublished 1 February 1969Open access
Kathleen M. Nauss, Susumu Kitagawa, J. Gergely
Citations152
SJR quartileQ1
SJR score1.71
SNIP1.00
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TL;DR

The simplest explanation of these results is that tryptic digestion of heavy meromyosin produces two subfragments, each of which binds pyrophosphate, hydrolyzes ATP, and has the ability to combine with actin.

Abstract

The binding of pyrophosphate to myosin, heavy meromyosin, and Subfragment 1 was studied by an equilibrium dialysis technique.Myosin binds approximately 2 (1.82) moles/5 X lo5 g of protein, K = 2.07 X 10".Identical

Keywords

MedicineEngineeringPhysics and Astronomy