Protostadienol synthase
Protostadienol synthase -2,3-epoxysqualene mutase cyclizing, -protosta-17 is an [enzyme with systematic name -2,3-epoxy-2,3-dihydrosqualene mutase -protosta-17. This enzyme catalyses the following chemical reaction
-Protosta-17,24-dien-3beta-ol is a precursor of the steroidal antibiotic helvolic acid.