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.
Formation mechanism of the SMO antagonist DHCEO. Besides cholesterol, which has a positive effect, none of the other sterols shown affect Hh pathway (unpublished observations). Whether the last step of DHCEO synthesis is reversible and which enzymes are responsible are not known.
