Figure 1
From: Side chain modified peptide nucleic acids (PNA) for knock-down of six3in medaka embryos

Chemical structure of PNAs. Schematic structure of aegPNAs, pePNAs, mixed PNAs (containing both aeg- and pePNA monomers) and HypNA-pPNAs is shown. pePNAs contain C2-phosphonoester residues, mixed PNAs contain C3-residues.