The effect of minor-groove hydrogen-bond acceptors and donors on the stability and replication of four unnatural base pairs
S. Matsuda, A.A. Henry, P.G. Schultz, F.E. Romesberg, J. Am. Chem. Soc. (2003) 125:6134-6139.
We report the stability and replication of DNA containing self-pairs formed between unnatural nucleotides bearing benzofuran, benzothiophene, indole, and benzotriazole nucleobases.