both ca transport and the ca-atpase activity of ethylene glycol bis ( beta-aminoethyl ether ) -n , n , n ' , n'-tetraacetic acid-treated lymphocyte plasma membranes were stimulated 2-fold by a cytoplasmic component ( calmodulin ) that was purified 500-fold from lymphocyte cytoplasm .
C0007603
plasma membranes
C0010834
cytoplasm