https://doi.org/10.1351/goldbook.09714
Synthetic deoxyribonucleic acid (DNA) mimic, which contains 2-aminoethylglycine linkages instead of the negatively charged phosphodiesteric backbone of oligonucleotides.
Note: The PNA probes are particularly convenient for the detection of single-base mismatches (point mutations, SNPs), because the stability of DNA-PNA duplexes is strongly influenced by a single-base mismatch.