Cytochalasin B-Induced ATPase Activity of Actin: Dependence on Monomer Concentration
Open Access
- 1 December 1981
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung C
- Vol. 36 (11-12), 1050-1055
- https://doi.org/10.1515/znc-1981-11-1224
Abstract
Polymerization and ATPase activity of [rabbit skeletal muscle] actin induced by cytochalasin B [CB] were studied simultaneously. Under all conditions tested, ATPase activity was proportional to the concentration of actin which was unpolymerized. Conditions increasing ATPase activity increase the velocity of polymerization. CB-induced ATPase activity apparently is a property of the actin monomers. The readiness of the monomers to hydrolyze ATP apparently is correlated with an increased capacity of the monomers to polymerize.Keywords
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