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.
Putrescine (circles) or ornithine (squares) concentration dependency of enzyme activity for wild type PTC (WT, open symbols) and for the engineered form in which the 230YGLY233 sequence was replaced by VSMG (Engineered, closed symbols). WT activity is plotted in the left y-axis whereas other activities are plotted on the right y-axis. Inset: zoom on the engineered form with putrescine.
