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Presence of Nucleoside Triphosphate Phosphohydrolase Activity in Purified Virions of Reovirus

Medical Biophysics Section, Atomic Energy of Canada Limited, Whiteshell Nuclear Research Establishment, Pinawa, Manitoba, Canada

ABSTRACT

A nucleoside triphosphate phosphohydrolase activity has been discovered in reovirus virions. This activity converts nucleoside triphosphates to nucleoside diphosphates in vitro. Properties of this enzyme are presented, with evidence that this activity is an integral part of the virion core.

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