3'-phosphopolynucleotide
3'-phosphopolynucleotide
A macromolecule made up of nucleotide units and hydrolysable into certain pyrimidine or purine bases (usually adenine, cytosine, guanine, thymine, uracil), <small>D</small>-ribose or 2-deoxy-<small>D</small>-ribose and phosphoric acid with a phosphate group at the 3'-end.