| abstract |
An enzymatic nucleic acid molecule, comprising a moiety having the formula: ##STR1## wherein B is a nucleotide base or hydrogen; R is selected from the group consisting of aminoacyl group, and NHR 4 group, wherein said R 4 is independently selected from the group consisting of a peptidyl group containing between 2 and 5 amino acids inclusive, and CO--CR 1 R 2 R 3 , wherein R 1 , R 2 and R 3 independently is selected from the group consisting of hydrogen, an alkyl group containing between 2 and 10 carbon atoms inclusive, and an alkyl amine; and the zigzag lines are independently hydrogen or a bond. |