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.
At neutral pH: LYS and the N-terminal group are protonated and positively charged, while the GLU and C-terminal are deprotonated and negatively charged. Under acidic conditions the carboxyl group of GLU and that of the C-terminus are neutral as they are both protonated.
