Protein
Beta-amyrin 28-monooxygenase
Function
Catalyzes the carboxylation of beta-amyrin at the C-28 position to form oleanolic acid. Catalyzes the carboxylation of alpha-amyrin and lupeol at the C-28 position to form ursolic acid and betulinic acid respectively. May be involved in saponin biosynthesis in fruit skin.
Similarity
Belongs to the cytochrome P450 family.
Sequence
MEVFFLSLLLIFVLSVSIGLHLLFYKHRSHFTGPNLPPGKIGWPMVGESLEFLSTGWKGHPEKFIFDRISKYSSEVFKTSLLGEPAAVFAGAAGNKFLFSNENKLVHAWWPSSVDKVFPSSTQTSSKEEAKKMRKLLPQFFKPEALQRYIGIMDHIAQRHFADSWDNRDEVIVFPLAKRFTFWLACRLFMSIEDPAHVAKFEKPFHVLASGLITVPIDLPGTPFHRAIKASNFIRKELRAIIKQRKIDLAEGKASQNQDILSHMLLATDEDGCHMNEMEIADKILGLLIGGHDTASAAITFLIKYMAELPHIYEKVYEEQMEIANSKAPGELLNWDDVQKMRYSWNVACEVMRLAPPLQGAFREAITDFVFNGFSIPKGWKLYWSANSTHKSPECFPQPENFDPTRFEGDGPAPYTFVPFGGGPRMCPGKEYARLEILVFMHNVVKRFKWDKLLPDEKIIVDPMPMPAKGLPVRLHPRKP