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.
The helical wheel representations of (a) Brevinin-2GUb, (b) tB2U, (c) tB2U-α, (d) tB2U-K, (e) 14-tB2U-K, and (f) tB2U-6K predicted by Heliquest. The hydrophobic, hydrophilic, positively-charged, and negatively-charged amino acids are coloured by yellow, purple, blue, and red, respectively.
