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.
Illustration of the structures for the characterized acylation reaction stage. ES, enzyme-substrate complex; TS1, the first transition state; TI1, tetrahedral intermediate; TS1′, the second transition state in acylation; EA1, acylated enzyme. Two representative configurations of TI1 are shown.
