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[18 O-exchange reactions catalyzed by subfragment 1 of myosin molecule]

E A Karaidashov, N A Biro, N S Panteleeva

Biokhimiia (Moscow, Russia)

|August 1, 1976

Abstract:

18 O-exchange properties of enzymically active proteolytic fragment of myosin molecule--subfragment 1 were studied. It was shown that 18O-exchange activity of subfragment 1 is similar to that of parental myosin and its other proteolytic fragment--heavy meromyosin. The experimental data suggest that the 18O-exchange activity is an integral property of myosin and is not determined by its contaminations.

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