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.
A bb-nitrogen wire could serve as an alternative to W255 in bridging the gap between Ser-72 and W60. The nitrogens also couple to the bb-carbonyls of Val-68 and Gln-69, allowing several shortcuts to be taken. Coordinates from PDB file 1GFL.
