Four different XNAs — polymers with backbone chemistries not found in nature, namely, arabino nucleic acids, 2′-fluoroarabino nucleic acids, hexitol nucleic acids and cyclohexene nucleic acids — are found to be able to support the evolution of synthetic enzymes (XNAzymes) that catalyse several chemical reactions.
- Alexander I. Taylor
- Vitor B. Pinheiro
- Philipp Holliger
