in addition , purified plasma membranes from or6-s cells contain a 100-kda protein which is transiently phosphorylated by atp in an na+-dependent , k+-sensitive manner , like the alpha subunit of the cv-1 na , k-atpase and the canine renal na , k-atpase , but which is unaffected by preincubation in 1 mm ouabain .
C0007603
plasma membranes
C0007634
cells