Introduction to PNA Nucleobase Mod...par Creative Peptides101Peptide nucleic acids (PNAs) are sophisticated oligonucleotide analogs that feature nucleobases, a peptide backbone, as well as an N-terminus and a C-terminus.Terminéemodificationsnucleobasepna Nucleobaseballpar bwer4323701Terminéebaseballnucleobasenucleobaseball