obsolete 4-ketotorulene 3-hydroxylase activity (obsolete GO:0052609)
OBSOLETE. Catalysis of the reaction: 4-ketotorulene + a reduced electron acceptor + oxygen = 3-hydroxy-4-ketotorulene + an oxidized electron acceptor + H2O.
beta-carotene hydroxylase activity
broad
carotene beta-ring hydroxylase activity
broad