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Information on EC 1.14.14.145 - abieta-7,13-dien-18-ol hydroxylase

for references in articles please use BRENDA:EC1.14.14.145

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IUBMB Comments

A cytochrome P-450 (heme-thiolate) protein. This enzyme catalyses a step in the pathway of abietic acid biosynthesis. The activity has been demonstrated in cell-free stem extracts of Abies grandis (grand fir) and Pinus contorta (lodgepole pine) , and the gene encoding the enzyme has been identified in Pinus taeda (loblolly pine) . The recombinant enzyme catalyses the oxidation of multiple diterpene alcohol and aldehydes, including levopimaradienol, isopimara-7,15-dienol, isopimara-7,15-dienal, dehydroabietadienol and dehydroabietadienal. It is not able to oxidize abietadiene.

The enzyme appears in viruses and cellular organisms

Synonyms
cypa1, cyp720b1, abietadienol/abietadienal oxidase, more

REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
abieta-7,13-dien-18,18-diol = abieta-7,13-dien-18-al + H2O
show the reaction diagram
(1b), spontaneous
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abieta-7,13-dien-18-al + [reduced NADPH-hemoprotein reductase] + O2 = abieta-7,13-dien-18-oate + [oxidized NADPH-hemoprotein reductase] + H2O
show the reaction diagram
(1c)
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abieta-7,13-dien-18-ol + 2 [reduced NADPH-hemoprotein reductase] + 2 O2 = abieta-7,13-dien-18-oate + 2 [oxidized NADPH-hemoprotein reductase] + 3 H2O
show the reaction diagram
overall reaction
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abieta-7,13-dien-18-ol + [reduced NADPH-hemoprotein reductase] + O2 = abieta-7,13-dien-18,18-diol + [oxidized NADPH-hemoprotein reductase] + H2O
show the reaction diagram
(1a)
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