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.
Radical transfer pathway in E. coli RNR. The arrows represent electron (orange) and proton (blue) movements within the α2 and β2 subunits. There is currently no evidence for the involvement W48 (grey) or its proposed proton acceptor D237 (grey) in RT. The water interface between α2 and β2 is suggested in Ref. 60.
