EC number 5.4.99.39 | ExPASy NiceZyme view MetaCyc | |
Beta-amyrin synthase (EC 5.4.99.39, 2,3-oxidosqualene beta-amyrin cyclase, AsbAS1, BPY, EtAS, GgbAS1, LjAMY1, MtAMY1, PNY, BgbAS) is an enzyme with systematic name (3S)-2,3-epoxy-2,3-dihydrosqualene mutase (cyclizing, beta-amyrin-forming). This enzyme catalyses the following chemical reaction
(3S)-2,3-epoxy-2,3-dihydrosqualene
Some organism possess a monofunctional beta-amyrin synthase.
References
Beta-amyrin synthase Wikipedia(Text) CC BY-SA