density ( age ) separated rabbit erythrocytes were examined for differences in the activities of calmodulin and the protein inhibitor of membrane ( ca2+ + mg2+ ) -atpase ( lee , k.s . and au , k.s . ( 1983 ) biochim . biophys . acta 742 , 54-62 ) as well as response of the atpase towards these protein modulators .
C0025252
protein
C0033684
protein