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Information on EC 1.13.11.31 - arachidonate 12-lipoxygenase and Organism(s) Rattus norvegicus and UniProt Accession Q02759

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IUBMB Comments
The product is rapidly reduced to the corresponding 12S-hydroxy compound.
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This record set is specific for:
Rattus norvegicus
UNIPROT: Q02759
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Word Map
The taxonomic range for the selected organisms is: Rattus norvegicus
The expected taxonomic range for this enzyme is: Eukaryota, Bacteria
Synonyms
12-lipoxygenase, 15-lipoxygenase, 12-lox, alox5, 15-lox-1, alox15, 12-lo, 15-lo, 12/15-lipoxygenase, 12/15-lox, more
SYNONYM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
12/15-lipoxygenase
-
12-lipoxygenase
12-LOX
12/15-lipoxygenase
12/15-LO
-
-
12DELTA-lipoxygenase
-
-
-
-
12S-lipoxygenase
-
-
-
-
C-12 lipoxygenase
-
-
-
-
DELTA 12-lipoxygenase
-
-
-
-
leukotriene A4 synthase M
-
-
-
-
LTA4 synthase
-
-
-
-
oygenase, arachidonate 12-lip-
-
-
-
-
Platelet-type lipoxygenase 12
-
-
-
-
REACTION TYPE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
redox reaction
-
-
-
-
oxidation
-
-
-
-
reduction
-
-
-
-
dioxygenation
-
-
-
-
dehydration
-
-
-
-
PATHWAY SOURCE
PATHWAYS
-
-, -, -, -, -, -, -
SYSTEMATIC NAME
IUBMB Comments
arachidonate:oxygen 12-oxidoreductase
The product is rapidly reduced to the corresponding 12S-hydroxy compound.
CAS REGISTRY NUMBER
COMMENTARY hide
82391-43-3
-
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyeicosa-5,8,10,14-tetraenoate
show the reaction diagram
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyicosa-5,8,10,14-tetraenoate
show the reaction diagram
-
-
-
?
5,8,11,14,17-eicosapentaenoic acid + O2
12-hydroxy-5,8,10,14,17-eicosapentaenoic acid
show the reaction diagram
-
-
-
?
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyeicosa-5,8,10,14-tetraenoate
show the reaction diagram
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyicosa-5,8,10,14-tetraenoate
show the reaction diagram
gamma-linolenic acid + O2
10-hydroxy-octadeca-6Z,8E,12Z-trienoic acid
show the reaction diagram
-
101% of the activity with arachidonic acid
-
-
?
linoleic acid + O2
13(S)-hydroperoxy-9Z,11E-octadecadienoic acid
show the reaction diagram
additional information
?
-
NATURAL SUBSTRATE
NATURAL PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
REVERSIBILITY
r=reversible
ir=irreversible
?=not specified
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyeicosa-5,8,10,14-tetraenoate
show the reaction diagram
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyicosa-5,8,10,14-tetraenoate
show the reaction diagram
-
-
-
?
arachidonate + O2
(5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyeicosa-5,8,10,14-tetraenoate
show the reaction diagram
additional information
?
-
METALS and IONS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
Fe2+
dependent on
Mg2+
-
stimulates
Mn2+
-
stimulates
INHIBITOR
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
cinnamyl-3,4-dihydroxy-alpha-cyanocinnamate
-
5,8,11,14-Eicosatetraynoic acid
-
0.001 mM, 77% inhibition
5-Hydroxydopamine
-
-
6-Hydroxydopamine
-
-
8-hydroxyquinoline
-
1 mM, 35% inhibition
AA861
-
a 12-LOX inhibitor
BW755C
-
0.01 mM, 13% inhibition
chlorpromazine
-
-
EDTA
-
1 mM, 40% inhibition
eicosatetraynoic acid
-
-
esculetin
-
-
fluphenazine
-
-
gossypol acetic acid
-
non-competitive with respect to arachidonate
N-benzyl-N-hydroxy-5-phenylpentanamide
-
-
nordihydroguaiaretic acid
-
0.01 mM, 48% inhibition
Trifluoperazine
-
-
ACTIVATING COMPOUND
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
alpha-Naphthol
slight activation of enzyme activity at 0.25 mM, but not at 0.5 mM
additional information
-
KM VALUE [mM]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.03
5,8,11,14,17-eicosapentaenoic acid
-
-
0.005 - 0.08
arachidonic acid
SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
-
-
pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
6 - 9
-
almost inactive at pH 6 and pH 9
6.5 - 7
-
activity with arachidonate and linoleate
pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
6.1 - 8.6
-
pH 6.1: 37% of maximal activity, pH 8.6: 44% of maximal activity
TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10
-
cytosolic fraction
30
-
assay at
ORGANISM
COMMENTARY hide
LITERATURE
UNIPROT
SEQUENCE DB
SOURCE
SOURCE TISSUE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
SOURCE
increased expression of 12/15-LOX, predominantly in neurons, and elevated production of 12(S)-hydroperoxyicosatetraenoate and 15(S)-hydroperoxyicosatetraenoate in ischemic brain
Manually annotated by BRENDA team
primary cortical neurons, increased expression of 12/15-LOX, predominantly in neurons, and elevated production of 12(S)-hydroperoxyicosatetraenoate and 15(S)-hydroperoxyicosatetraenoate in ischemic brain
Manually annotated by BRENDA team
-
cell line RV-ECT
Manually annotated by BRENDA team
pulmonary artery endothelial cell
Manually annotated by BRENDA team
-
primary cortical culture
Manually annotated by BRENDA team
pulmonary artery endothelial cell
Manually annotated by BRENDA team
additional information
the leukocyte-type isozyme is widely distributed in cell types, while the epidermis-type and the platelet-type isozymes are more limited
Manually annotated by BRENDA team
LOCALIZATION
ORGANISM
UNIPROT
COMMENTARY hide
GeneOntology No.
LITERATURE
SOURCE
GENERAL INFORMATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
physiological function
12/15-lipoxygenase metabolites of arachidonic acid activate PPARgamma, involvement of 12(S)- and 15(S)-hydroperoxyicosatetraenoate in the regulation of PPARgamma following cerebral ischemia and effects on ischemia-induced inflammatory response. 12(S)-HETE and 15(S)-HETE elicit neuroprotection in rats exposed to focal ischemia. PPARgamma is a member of the nuclear hormone receptorfamily of ligand-dependent transcription factors. PPARgamma regulates genes that are implicated in adipocyte differentiation, lipid and glucose metabolism, and insulin sensitivity
malfunction
-
cells with RNAi silenced 12/15-LO and stimulated with PDGF show an impaired STAT3 phosphorylation compared to cells transfected with the scrambled control
physiological function
UNIPROT
ENTRY NAME
ORGANISM
NO. OF AA
NO. OF TRANSM. HELICES
MOLECULAR WEIGHT[Da]
SOURCE
SEQUENCE
LOCALIZATION PREDICTION?
LOX15_RAT
663
0
75378
Swiss-Prot
other Location (Reliability: 2)
MOLECULAR WEIGHT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
75305
-
x * 75305, calculation of nucleotide sequence
SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
?
-
x * 75305, calculation of nucleotide sequence
PROTEIN VARIANTS
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
the enzyme is involved in production of biologically active lipid mediators, (5Z,8Z,10E,14Z)-(12S)-12-hydroxyeicosa-5,8,10,14-tetraenoate, 13-HODE, and 13-HOTE, in the intestine of iron-deficient Belgrade rats, the lipids are almoste absent in wild-type rats, overview
TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
37
-
rapid inactivation by the product hydroperoxy fatty acid, at low concentrations, 10-100 nM
40
-
10 min, stable below
45
-
10 min, 60% loss of activity
50
-
10 min, 86% loss of activity
STORAGE STABILITY
ORGANISM
UNIPROT
LITERATURE
-70°C, 1 month, no appreciable loss of activity
-
PURIFICATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
CLONED (Commentary)
ORGANISM
UNIPROT
LITERATURE
gene alox15, expression analysis and genotyping of wild-type and iron-deficient mutant rats, gene alox15 doesnot respond to iron, transcription regulation via cytokines and growth factors, overview
EXPRESSION
ORGANISM
UNIPROT
LITERATURE
ceramide increases mRNA and protein expression, and activity of 12-LOX
-
APPLICATION
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
drug development
-
induction of pro-carcinogenic 12-LOX pathway by an anticancer ceramide, which may be relevant to cancer biologists studying drug resistant tumors and devising potent anticancer therapeutic strategies to treat drug resistant tumors. Induction of 12-LOX pathway by ceramide may have implications in understanding pathophysiology of neurodegenerative diseases involving reactive oxygen species generation and inflammation
medicine
hypoxia increases the formation of endogenous 12-hydroxyeicosatetraenoic acid through stimulation of 12-lipoxygenase. 12-hydroxyeicosatetraenoic acid promotes endothelial cell migration and tube formation, whereas it inhibits the serum deprivation-induced apoptotic responses under hypoxia. The regulatory effects of 12-lipoxygenase/12-hydroxyeicosatetraenoic acid on pulmonary artery endothelial cells, at least in part, depend on phosphatidylinositol 3-kinase (PI3K)/Akt signaling activatio
REF.
AUTHORS
TITLE
JOURNAL
VOL.
PAGES
YEAR
ORGANISM (UNIPROT)
PUBMED ID
SOURCE
Van der Donk, E.M.M.; Dubois, G.R.; Verhagen, J.; Veldink, G.A.; Vliegenhart, J.F.G.
Improved purification of 12-lipoxygenase from rat basophilic leukemia cells and conditions for optimal enzyme activity
Biochim. Biophys. Acta
1074
443-447
1991
Rattus norvegicus
Manually annotated by BRENDA team
Van der Donk, E.M.M.; Verhagen, J.; Veldink, G.A.; Vliegenhart, J.F.G.
12-Lipoxygenase from rat basophilic leukemia cells: separation from 5-lipoxygenase and temperature-dependent inactivation by hydroperoxy fatty acid
Biochim. Biophys. Acta
1081
135-140
1991
Rattus norvegicus
Manually annotated by BRENDA team
Hamasaki, Y.; Tai, H.H.
Gossypol, a potent inhibitor of arachidonate 5- and 12-lipoxygenases
Biochim. Biophys. Acta
834
37-41
1985
Rattus norvegicus
Manually annotated by BRENDA team
Hamasaki, Y.; Tai, H.H.
Calcium stimulation of a novel 12-lipoxygenase from rat basophilic leukemia (RBL-1) cells
Biochim. Biophys. Acta
793
393-398
1984
Rattus norvegicus
Manually annotated by BRENDA team
Yokoyama, C.; Mizuno, K.; Mitachi, H.; Yoshimoto, T.; Yamamoto, S.
Partial purification and characterization of arachidonate 12-lipoxygenase from rat lung
Biochim. Biophys. Acta
750
237-243
1983
Rattus norvegicus
Manually annotated by BRENDA team
Hada, T.; Hagiya, H.; Suzuki, H.; Arakawa, T.; Nakamura, M.; Matsuda, S.; Yoshimoto, T.; Yamamoto, S.; Azekawa, T.; Morita, Y.; et al.
Arachidonate 12-lipoxygenase of rat pineal glands: catalytic properties and primary structure deduced from its cDNA
Biochim. Biophys. Acta
1211
221-228
1994
Rattus norvegicus
Manually annotated by BRENDA team
Lomnitski, L.; Sklan, D.; Grossman, S.
Lipoxygenase activity in rat dermis and epidermis: partial purification and characterization
Biochim. Biophys. Acta
1255
351-359
1995
Rattus norvegicus
Manually annotated by BRENDA team
Nie, D.; Tang, K.; Diglio, C.; Honn, K.V.
Eicosanoid regulation of angiogenesis: role of endothelial arachidonate 12-lipoxygenase
Blood
95
2304-2311
2000
Homo sapiens, Mus musculus, Rattus norvegicus
Manually annotated by BRENDA team
Pei, H.; Gu, J.; Thimmalapura, P.; Mison, A.; Nadler, J.L.
Activation of the 12-lipoxygenase and signal transducer and activator of transcription pathway during neointima formation in a model of the metabolic syndrome
Am. J. Physiol.
290
E92-E102
2006
Rattus norvegicus
Manually annotated by BRENDA team
Collins, J.F.; Hu, Z.; Ranganathan, P.N.; Feng, D.; Garrick, L.M.; Garrick, M.D.; Browne, R.W.
Induction of arachidonate 12-lipoxygenase (Alox15) in intestine of iron-deficient rats correlates with the production of biologically active lipid mediators
Am. J. Physiol. Gastrointest. Liver Physiol.
294
G948-G962
2008
Rattus norvegicus (Q02759)
Manually annotated by BRENDA team
Higuchi, Y.; Tanii, H.; Koriyama, Y.; Mizukami, Y.; Yoshimoto, T.
Arachidonic acid promotes glutamate-induced cell death associated with necrosis by 12-lipoxygenase activation in glioma cells
Life Sci.
80
1856-1864
2007
Rattus norvegicus
Manually annotated by BRENDA team
Nagasawa, K.; Kakuda, T.; Higashi, Y.; Fujimoto, S.
Possible involvement of 12-lipoxygenase activation in glucose-deprivation/reload-treated neurons
Neurosci. Lett.
429
120-125
2007
Rattus norvegicus
Manually annotated by BRENDA team
Lim, K.M.; Kim, J.S.; Bae, O.N.; Noh, J.Y.; Chung, S.M.; Chung, K.Y.; Chung, J.H.
Co-oxidation-mediated xenobiotic activation and cytotoxicity by 12-lipoxygenase in intact platelets
Toxicology
247
154-160
2008
Rattus norvegicus (Q02759)
Manually annotated by BRENDA team
Prasad, V.V.; Nithipatikom, K.; Harder, D.R.
Ceramide elevates 12-hydroxyeicosatetraenoic acid levels and upregulates 12-lipoxygenase in rat primary hippocampal cell cultures containing predominantly astrocytes
Neurochem. Int.
53
220-229
2008
Rattus norvegicus
Manually annotated by BRENDA team
Blazevic, T.; Schwaiberger, A.V.; Schreiner, C.E.; Schachner, D.; Schaible, A.M.; Grojer, C.S.; Atanasov, A.G.; Werz, O.; Dirsch, V.M.; Heiss, E.H.
12/15-Lipoxygenase contributes to platelet-derived growth factor- induced activation of signal transducer and activator of transcription 3
J. Biol. Chem.
288
35592-35603
2013
Homo sapiens, Rattus norvegicus
Manually annotated by BRENDA team
Sun, L.; Xu, Y.W.; Han, J.; Liang, H.; Wang, N.; Cheng, Y.
12/15-Lipoxygenase metabolites of arachidonic acid activate PPARgamma a possible neuroprotective effect in ischemic brain
J. Lipid Res.
56
502-514
2015
Rattus norvegicus (Q02759), Rattus norvegicus Sprague-Dawley (Q02759)
Manually annotated by BRENDA team
Zhang, C.; Ma, C.; Yao, H.; Zhang, L.; Yu, X.; Liu, Y.; Shen, T.; Zhang, L.; Zhang, F.; Chen, X.; Zhu, D.
12-lipoxygenase and 12-hydroxyeicosatetraenoic acid regulate hypoxic angiogenesis and survival of pulmonary artery endothelial cells via PI3K/Akt pathway
Am. J. Physiol. Lung Cell. Mol. Physiol.
314
L606-L616
2018
Rattus norvegicus (Q2KMM4)
Manually annotated by BRENDA team