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.
All incorporated biosynthetic precursors of the oxazoles are shown in color. The nitrogen shown in green is derived from transamination as part of the amino acid metabolism. SX = activated ester, which may be coenzyme A or enzyme (acyl carrier protein or polyketide synthase or nonribosomal peptide synthetase) bound.
