An official website of the United States government
Here's how you know
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.
The enantiomeric and diastereomeric relation of the four 2-amino-3-methylpentanoic acid isomers and their interconversion upon racemization at C2; allo: alloisoleucine, ile: isoleucine.