Abietadienol hydroxylase
Template:Short description Template:Infobox enzyme Abieta-7,13-dien-18-ol hydroxylase (Template:EC number, CYP720B1, PTAO) is an enzyme with systematic name abieta-7,13-dien-18-ol,NADPH:oxygen oxidoreductase (18-hydroxylating).[1][2][3] This enzyme catalyses the following chemical reaction
- abieta-7,13-dien-18-ol + NADPH + H+ + O2 abieta-7,13-dien-18-al + NADP+ + 2 H2O (overall reaction)
- (1a) abieta-7,13-dien-18-ol + NADPH + H+ + O2 abieta-7,13-dien-18,18-diol + + NADP+ + H2O:
- (1b) abieta-7,13-dien-18,18-diol abieta-7,13-dien-18-al + H2O (spontaneous)
Abietadienol hydroxylase is a heme-thiolate protein (P-450).