peptide nucleic acid
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/1/10/PNA_en.svg/220px-PNA_en.svg.png)
Noun
[edit]peptide nucleic acid (plural peptide nucleic acids)
- (biochemistry) A synthetic organic polymer similar to DNA or RNA; the sugar backbone of nucleic acids is replaced by N-(2-aminoethyl)-glycine linked through peptide bonds - considered a possible precursor to RNA
- Synonym: (abbreviation) PNA
Usage notes
[edit]PNA is not an acid