The catalytic power of DNA polymerases for artificial genetic polymer (XNA) synthesis remains underdeveloped. Now, the evolution and structure of an α-l-threofuranosyl nucleic acid polymerase is described that achieves XNA synthesis with ∼1 nt s−1 and >99% template-copying fidelity.
- Victoria A. Maola
- Eric J. Yik
- John C. Chaput