Plant and Cell Physiology, 1994, Vol. 35, No. 5 849-854
© 1994
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Profilins Purified from Higher Plants Bind to Actin from Cardiac Muscle and to Actin from a Green Alga
Institut für Allgemeine Botanik und Pflanzenphysiologie, Justus-Liebig-Universität D-35390 Giessen, Germany
Author for correspondence; fax: +49 641 702 8451.
Profilins purified from Zea mays transiently enhance the viscosity of polymerizing cardiac actin at ratios (profilin : actin) <1, but lower the viscosity at higher ratios. Specific binding of actin from the alga Chara corallina to higher plant profilins suggests strict conservation of interaction between both proteins in plants.
(Received November 2, 1993; Accepted April 27, 1994)
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