1.13.11.77: oleate 10S-lipoxygenase
This is an abbreviated version!
For detailed information about oleate 10S-lipoxygenase, go to the full flat file.
Word Map on EC 1.13.11.77
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1.13.11.77
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indoleamine
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oleic
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nostoc
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aeruginosa
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hydroperoxide
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l-tryptophan
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nicotinamide
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cyclooxygenases
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punctiforme
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indole
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2,3-dioxygenases
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nad+
- 1.13.11.77
- indoleamine
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oleic
- nostoc
- aeruginosa
- hydroperoxide
- l-tryptophan
- nicotinamide
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cyclooxygenases
- punctiforme
- indole
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2,3-dioxygenases
- nad+
Reaction
Synonyms
(10S)-dioxygenase, (10S)-DOX, 10-dioxygenase, 10S-dioxygenase, 10S-DOX, 10S-DOX-like lipoxygenase, heme dioxygenase, linoleate 10S-dioxygenase, linoleate 10S-DOX, linoleate heme 10S-dioxygenase, LOX, Np-diox, Npun_R5469, oleate heme 10S-dioxygenase
ECTree
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Substrates Products
Substrates Products on EC 1.13.11.77 - oleate 10S-lipoxygenase
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REACTION DIAGRAM
(8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate
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alpha-linolenate + O2
(8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate
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?
alpha-linolenate + O2
(8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate
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60.4% activity compared to linoleate
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alpha-linolenate + O2
(8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoate
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60.4% activity compared to linoleate
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?
(8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoate
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linoleate + O2
(8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoate
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?
linoleate + O2
(8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoate
racemic substrate, absolute stereospecific reaction, only formation of 10S product
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linoleate + O2
(8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoate
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100% activity
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linoleate + O2
(8E,10S,12Z)-10-hydroperoxyoctadeca-8,12-dienoate
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100% activity
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oleate + O2
(8E,10S)-10-hydroperoxyoctadeca-8-enoate
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preferred substrate
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oleate + O2
(8E,10S)-10-hydroperoxyoctadeca-8-enoate
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46% activity compared to linoleate
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?
oleate + O2
(8E,10S)-10-hydroperoxyoctadeca-8-enoate
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46% activity compared to linoleate
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(8E,10S)-10-hydroperoxy-hexadeca-8-enoate
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palmitoleic acid + O2
(8E,10S)-10-hydroperoxy-hexadeca-8-enoate
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palmitoleic acid + O2
(8E,10S)-10-hydroperoxy-hexadeca-8-enoate
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enzyme Np-diox is best described as an oleate or linoleate dioxygenase, albeit with alpha-linolenic acid very competitive at low substrate concentrations
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additional information
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optimization of assay conditions, overview
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additional information
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racemic 1-octen-3-ol is formed in reaction of linoleate 10S-hydroperoxide with hematin or ferrous ions
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additional information
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the activity of the enzyme is highest in unsaturated fatty acids containing double bonds in position 9 (oleic, linoleic and linolenic acids), linoleic acid being preferred over linolenic and oleic acids
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additional information
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the activity of the enzyme is highest in unsaturated fatty acids containing double bonds in position 9 (oleic, linoleic and linolenic acids), linoleic acid being preferred over linolenic and oleic acids
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