4.2.1.152: hydroperoxy icosatetraenoate dehydratase
This is an abbreviated version!
For detailed information about hydroperoxy icosatetraenoate dehydratase, go to the full flat file.
Word Map on EC 4.2.1.152
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4.2.1.152
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alox12b
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ichthyosiform
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erythroderma
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lamellar
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nipal4
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abca12
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cyp4f22
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12r-lox
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pnpla1
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harlequin
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12r-lipoxygenase
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ichthyoses
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hepoxilins
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collodion
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lipoxygenase-3
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sdr9c7
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cornification
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non-bullous
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galicia
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self-healing
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corneocyte
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self-improving
- 4.2.1.152
- alox12b
-
ichthyosiform
- erythroderma
-
lamellar
-
nipal4
-
abca12
- cyp4f22
- 12r-lox
- pnpla1
- harlequin
- 12r-lipoxygenase
- ichthyoses
-
hepoxilins
-
collodion
- lipoxygenase-3
-
sdr9c7
-
cornification
-
non-bullous
-
galicia
-
self-healing
-
corneocyte
-
self-improving
Reaction
Synonyms
ALOXE3, eLOX-3, eLOX3, epidermal lipoxygenase-3, epidermal LOX type 3, epidermis-type lipoxygenase 3, hepoxilin synthase
ECTree
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Substrates Products
Substrates Products on EC 4.2.1.152 - hydroperoxy icosatetraenoate dehydratase
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REACTION DIAGRAM
(12R)-HPETE
(8R)-hydroxy-(11R,12R)-epoxyeicosa-(5Z,9E,14Z)-trienoic acid + H2O
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preferred substrate
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-
?
(12R)-hydroperoxyeicosatetraenoic acid
(8R)-hydroxy-(11R,12R)-epoxyeicosa-(5Z,9E,14Z)-trienoic acid + 12-oxoeicosatetraenoic acid
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preferred substrate
2:1 ratio, 2:1 product ratio
-
?
(12S)-hydroperoxyeicosatetraenoic acid
(10R)-hydroxy-(11S,12S)-epoxyeicosa-(5Z,8Z,14Z)-trienoic acid + (8R)-hydroxy-(11S,12S)-epoxyeicosa-(5Z,9E,14Z)-trienoic acid + 12-oxoeicosatetraenoic acid
-
-
-
-
?
(15S)-hydroperoxyeicosatetraenoic acid
(13R)-hydroxy-(14S,15S)-epoxyeicosa-(5Z,8Z,11Z)-trienoic acid + 12-oxoeicosatetraenoic acid
-
-
-
-
?
(5Z,8Z,10E,12R,14Z)-12-hydroperoxyeicosa-5,8,10,14-tetraenoate
(8R)-hydroxy-(11R,12R)-epoxyeicosa-(5Z,9E,14Z)-trienoate + H2O
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-
-
-
?
(8S)-HPETE
(10R)-hydroxy-(8S,9S)-epoxyeicosa-(5Z,11Z,14Z)-trienoic acid + H2O
-
-
-
-
?
(9E,11Z,14Z)-20:3omega6
(9S)-hydroperoxy-(10E,12E,14Z)-eicosatrienoic acid + H2O
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good substrate
-
-
?
arachidonic acid + O2
5-HPETE + 7-HPETE + 9-HPETE
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in the absence of fatty acid hydroperoxides, the enzyme shows only weak and slow activity with arachidonic acid
22%, 25%, and 29% yield, respectively
-
?
arachidonoyl-lysophosphatidic acid
15-HPETE-lysophosphatidic acid + 13-HPETE-lysophosphatidic acid + 11HPETE-lysophosphatidic acid + 5-HPETE-lysophosphatidic acid + H2O
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-
36%, 22%, 21%, and 13% yield, respectively
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?
additional information
?
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linoleic, arachidonic, and eicosapentaenoic acids, the methyl esters of arachidonic acid and linoleic acid, arachidonyl phosphatidylcholine, anandamide, and the cholesteryl ester of arachidonic acid are no substrates
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-
?
(7R)-hydroxy-(5S,6S)-epoxyeicosa-(8Z,11Z,14Z)-trienoic acid + H2O
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-
-
-
?
(5S)-HPETE
(7R)-hydroxy-(5S,6S)-epoxyeicosa-(8Z,11Z,14Z)-trienoic acid + H2O
-
-
-
-
?