Assertion: nucleic acid ligand | /r/MadeOf | one or more nucleotides
Facets:
Source sentences:
text: 08/134,028, supra, describes highly specific nucleic acid ligands containing one or more nucleotides modified with 2'-amino (2'-NH 2 ), 2'-fluoro (2'-F), and/or 2'-O-methyl (2'-OMe).