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.
Early steps of the “acidic” bile acid biosynthesis pathway generating 3β-HCA and 3β,7α-diHCA, two cholestenoic acids regulating the survival and death of motor neurons. Full stereochemistry is shown only for the initial sterol in the pathway. Systematic names given in parenthesis. Enzymes are indicated where known.
