Figure 1.
(A) Bioactive molecules with a purine scaffold; (B) examples of photoswitchable nucleotides; (C) structures enabled by this work.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.