peptide nucleic acid
English
![](Images/wiktionary/PNA_en.svg.png.webp)
PNA
Noun
peptide nucleic acid (plural peptide nucleic acids) (abbreviation: PNA)
- (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
Usage notes
PNA is not an acid
Derived terms
- PNA (abbreviation)
Related terms
- nucleic acid
- ribonucleic acid (RNA)
- deoxyribonucleic acid (DNA)
- glycol nucleic acid (GNA)
- threose nucleic acid (TNA)