A novel class of compounds, known as peptide nucleic acids, bind complementary DNA and RNA strands more strongly than the corresponding DNA or RNA strands, and exhibit increased sequence specificity and solubility. The peptide nucleic acids comprise ligands selected from a group consisting...http://www.google.de/patents/US5719262?utm_source=gb-gplus-sharePatent US5719262 - Peptide nucleic acids having amino acid side chains
