a comparative study of the previously partly described plasma membrane ca2+-atpase [ enouf , bredoux , bourdeau & levy-toledano ( 1987 ) j. biol . chem . 261 , 9293-9297 ] and the intracellular membrane ca2+-atpase obtained simultaneously shows differences in the following parameters : ( 1 ) different kinetics of the two enzymes ;
C0300252
plasma membrane ca2
C0001476
ca2