ribosyl-diphthamide was prepared by enzymatic hydrolysis of adp-ribosyl-elongation factor 2 and three compounds were produced by its chemical hydrolysis ( van ness , b. g. , howard , j. b. , and bodley , j. w. ( 1980 ) j. biol . chem . 255 , 10717-10720 ) .
C0059037
elongation factor 2
C0020291
hydrolysis