beta-amyrin 11-oxidase activity obsolete 11alpha-hydroxy-beta-amyrin dehydrogenase activity https://github.com/geneontology/go-ontology/issues/28070 true OBSOLETE. Catalysis of the reaction: 11alpha-hydroxy-beta-amyrin + O2 + NADPH + H+ = 11-oxo-beta-amyrin + 2 H2O + NADP. This term was obsoleted because it is a subreaction of beta-amyrin 11-oxidase activity ; GO:0102289. GO:0102291 molecular_function