Catalysis of the hydroxylation of an ecdysteroid at carbon position 25. Ecdysteroids are a group of polyhydroxylated ketosteroids which initiate post-embryonic development, particularly metamorphosis, in insects and other arthropods.
Source:ISBN:0198506732,
PMID:15350618
Comment
Note that in the ecdysteroidogenic pathway, this activity catalyzes the conversion of 2,22,25-trideoxyecdysone (3-beta,5-beta-ketodiol) to 2,22-dideoxyecdysone (3-beta,5-beta-ketotriol).