evidence was presented that both the atpase and gtpase are effected by the same enzyme and represent different hydrolysis cycles ( van winkle , w. b. , tate , c. a. , bick , r. j. , and entman , m. l. ( 1981 ) j. biol . chem . 256 , 2268-2274 ) .
C0018296
gtpase
C0020291
hydrolysis