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.
Relative activities of mutants with substitutions at residues 365 (a), 331 (b), 372 (c), and 330 (d). The activity was tested by GL hydrolysis under standard conditions. The experiment was performed in triplicate, and the error bars show 1 standard deviation.
