similar ratios of 14c in the aglycon and carbohydrate portions of 2'-deoxycoformycin , ara-a , and adenosine isolated from the rna indicated that [ u-14c ] adenosine was incorporated into 2'-deoxycoformycin without cleavage of the n-glycosylic bond .
C0042646
ara-a
C0001443
adenosine