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.
Product structures with bond lengths from MP2/6−311++G(2df,2p) in red and PM3 in black for A) fluoro-thiohemiacetal B) protonated fluoro-thiohemiacetal C) methylthiolate-nicotinamide adduct D and E) Model ALDH active site structures with differing proton locations.
