Isolation and characterization of the Mg2(+)-ATPase from rabbit skeletal muscle sarcoplasmic reticulum membrane preparations.


Preparations of sarcoplasmic reticulum vesicles, obtained according to the method of Eletr and Inesi (Biochim. Biophys. Acta (1972) 282, 174), contained both Mg2(+)-ATPase and Ca2+, Mg2(+)-ATPase activity. The two enzymes were solubilized by a mixture of digitonin and lysophosphatidylcholine and separated on a DEAE-cellulose column eluted with a… (More)


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