Key result
At low ionic strength, the adenosine triphosphatase of dissociated acto-heavy-meromyosin was strongly activated by Mg(2+) and Ca(2+).
This basic science study characterizes the ATPase activity of acto-heavy-meromyosin, demonstrating strong activation by Mg2+ and Ca2+ even when dissociated.
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No immediate clinical implications in cardiology; extends in vitro characterization of acto-myosin ATPase regulation.
Perry et al. (1966) studied this question. Mg(2+) and Ca(2+) was evaluated on Adenosine-triphosphatase activity. At low ionic strength, the adenosine triphosphatase of dissociated acto-heavy-meromyosin was strongly activated by Mg(2+) and Ca(2+).
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