Functioning of the smooth muscle cell plasma membrane Ca2+-transporting ATPase
reconstituted into liposomes in the presence of transmembrane Na+ gradient
Effect of Na+ gradient directed out of proteoliposomes on Ca2+, Mg2+-dependent ATP-hydrolase and Mg2+, ATP-depedent Ca2+-transporting activities of reconstituted Ca2+, Mg2+-ATPase from the myometrium cell plasma membrane was studied. It was established, that transmembrane Na+ gradient did not affect both catalytic and transporting enzyme activities.
Published at the site: 2005-07-04
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