Information on EC 1.14.14.160 - zealexin A1 synthase

for references in articles please use BRENDA:EC1.14.14.160
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IUBMB Comments
A cytochrome P-450 (heme thiolate) enzyme characterized from maize. The enzyme sequentially oxidizes(S)-beta-macrocarpene via alcohol and aldehyde intermediates to form zealexin A1, a maize phytoalexin that provides biochemical protection against fungal infection.
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The expected taxonomic range for this enzyme is: Zea mays
Synonyms
CYP71Z18, more
REACTION
REACTION DIAGRAM
COMMENTARY hide
ORGANISM
UNIPROT
LITERATURE
(4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)cyclohex-1-ene-1-carbaldehyde + O2 + [reduced NADPH-hemoprotein reductase] = zealexin A1 + H2O + [oxidized NADPH-hemoprotein reductase]
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(1c)
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(S)-beta-macrocarpene + 3 O2 + 3 [reduced NADPH-hemoprotein reductase] = zealexin A1 + 4 H2O + 3 [oxidized NADPH-hemoprotein reductase]
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overall reaction
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(S)-beta-macrocarpene + O2 + [reduced NADPH-hemoprotein reductase] = [(4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)-cyclohex-1-en-1-yl]methanol + H2O + [oxidized NADPH-hemoprotein reductase]
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(1a)
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[(4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)-cyclohex-1-en-1-yl] methanol + O2 + [reduced NADPH-hemoprotein reductase] = (4S)-4-(5,5-dimethylcyclohex-1-en-1-yl)cyclohex-1-ene-1-carbaldehyde + 2 H2O + [oxidized NADPH-hemoprotein reductase]
show the reaction diagram
(1b)
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