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(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate
leukotriene A4 + H2O
-
is unstable and metabolized to leukotriene B4
-
?
arachidonic acid + O2
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate
-
-
-
?
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate
leukotriene A4 + H2O
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate + O2
leukotriene A4
-
-
-
?
11,14,17-eicosatrienoic acid + O2
?
-
-
-
-
?
5,8,11,14,17-eicosapentaenoic acid + O2
?
-
-
-
-
?
5,8,11-eicosatrienoic acid + O2
?
-
almost as active as arachidonic acid
-
-
?
8,11,14-eicosatrienoic acid + O2
?
-
-
-
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
arachidonic acid + O2
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate
-
-
-
-
?
docosahexaenoic acid + O2
?
-
-
-
-
?
additional information
?
-
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate

leukotriene A4 + H2O
-
-
-
-
?
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate
leukotriene A4 + H2O
-
-
a conjugated epoxide intermediate in leukotriene biosynthesis, is unstable and enzymatically metabolized to leukotriene B4 or by spontaneous hydrolysis
-
?
arachidonate + O2

(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
-
-
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
-
?
arachidonate + O2
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
i.e. 5,8,11,14-eicosatetraenoic acid
formation of leukotriene A4 without release of the intermediate (6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
?
additional information

?
-
5-LOX is the key enzyme in the biosynthesis of leukotrienes through catalyzing the initial two steps in conversion of arachidonic acid to leukotrienes
-
-
?
additional information
?
-
-
key enzyme in leukotriene biosynthesis, catalyzes the initial steps in the conversion of arachidonic acid to biologically active leukotrienes. Leukotrienes are considered as potent mediators of inflammatory and allergic reactions
-
-
?
additional information
?
-
-
key enzyme in the biosynthesis of proinflammatory leukotrienes
-
-
?
additional information
?
-
-
key enzyme in the leukotriene biosynthesis, pathway overview, regulatory mechanisms underlying the expression and control of 5-LO activity, overview
-
-
?
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1-(3,4-dichlorobenzyl)-3-(2-morpholin-4-yl-2-oxoethyl)-1H-indole
82% inhibition at 0.005 mM
1-(3,4-dichlorobenzyl)-3-(3-morpholin-4-yl-3-oxopropyl)-1H-indole
38.5% inhibition at 0.005 mM
1-(4-chlorophenoxy)-3-(2-morpholin-4-yl-2-oxoethyl)-1H-indole
22% inhibition at 0.005 mM
1-(4-chlorophenoxy)-3-(3-morpholin-4-yl-3-oxopropyl)-1H-indole
26% inhibition at 0.005 mM
1-(4-chlorophenoxy)-5-methoxy-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
70% inhibition at 0.005 mM
1-(4-methylbenzyl)-3-(2-morpholin-4-yl-2-oxoethyl)-1H-indole
35% inhibition at 0.005 mM
1-(4-methylbenzyl)-3-(3-morpholin-4-yl-3-oxopropyl)-1H-indole
55% inhibition at 0.005 mM
1-benzyl-3-(2-morpholin-4-yl-2-oxoethyl)-1H-indole
41% inhibition at 0.005 mM
1-benzyl-3-(3-morpholin-4-yl-3-oxopropyl)-1H-indole
64% inhibition at 0.005 mM
1-benzyl-3-(4-morpholin-4-ylbutyl)-1H-indole
42% inhibition at 0.005 mM
1-benzyl-3-(4-oxo-4-piperazin-1-ylbutyl)-1H-indole
95% inhibition at 0.005 mM
1-benzyl-3-[2-[3-fluoro-5-(4-methoxytetrahydro-2H-pyran-4-yl)phenoxy]ethyl]-1H-indole
32% inhibition at 0.005 mM
1-benzyl-3-[3-[3-fluoro-5-(4-methoxytetrahydro-2H-pyran-4-yl)phenoxy]propyl]-5-methoxy-2-methyl-1H-indole
46.5% inhibition at 0.005 mM
1-benzyl-5-chloro-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
80% inhibition at 0.005 mM
1-benzyl-5-methoxy-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
54% inhibition at 0.005 mM
1-benzyl-5-methoxy-2-methyl-3-(4-oxo-4-piperazin-1-ylbutyl)-1H-indole
65% inhibition at 0.005 mM
3-(2-morpholin-4-yl-2-oxoethyl)-1-phenoxy-1H-indole
21% inhibition at 0.005 mM
3-(2-morpholin-4-yl-2-oxoethyl)-1H-indole
16% inhibition at 0.005 mM
3-(3-morpholin-4-yl-3-oxopropyl)-1-phenoxy-1H-indole
23% inhibition at 0.005 mM
3-(3-morpholin-4-yl-3-oxopropyl)-1H-indole
33% inhibition at 0.005 mM
3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
62% inhibition at 0.005 mM
3-[2-[3-fluoro-5-(4-methoxytetrahydro-2H-pyran-4-yl)phenoxy]ethyl]-1H-indole
64% inhibition at 0.005 mM
4-((3,4-dichlorobenzyl)-1H-indol-3-yl)-1-morpholinobutan-1-one
27% inhibition at 0.005 mM
4-((4-chlorobenzoyl)-1H-indol-3-yl)-1-morpholinobutan-1-one
32% inhibition at 0.005 mM
4-(1-(4-methylbenzyl)-1H-indol-3-yl)-1-morpholinobutan-1-one
34% inhibition at 0.005 mM
4-(1-benzoyl-1H-indol-3-yl)-1-morpholinobutan-1-one
58% inhibition at 0.005 mM
4-(1-benzyl-1H-indol-3-yl)-1-morpholinobutan-1-one
26% inhibition at 0.005 mM
5-chloro-1-(4-chlorophenoxy)-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
38% inhibition at 0.005 mM
5-chloro-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
71% inhibition at 0.005 mM
5-methoxy-2-methyl-1-(4-methylbenzyl)-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
26% inhibition at 0.005 mM
5-methoxy-2-methyl-3-(4-morpholin-4-yl-4-oxobutyl)-1H-indole
73% inhibition at 0.005 mM
tert-butyl 4-[4-(1-benzyl-1H-indol-3-yl)butanoyl]piperazine-1-carboxylate
38% inhibition at 0.005 mM
tert-butyl 4-[4-(1-benzyl-5-methoxy-2-methyl-1H-indol-3-yl)butanoyl]piperazine-1-carboxylate
51.5% inhibition at 0.005 mM
tert-butyl 4-[4-(1H-indol-3-yl)butanoyl]piperazine-1-carboxylate
84% inhibition at 0.005 mM
tert-butyl 4-[4-(5-methoxy-2-methyl-1H-indol-3-yl)butanoyl]piperazine-1-carboxylate
71% inhibition at 0.005 mM
zileuton
87% inhibition at 0.005 mM
(10E,12E)-octadeca-10,12-dien-8-ynoic acid
-
-
(11E)-octadec-11-en-9-ynoic acid
-
-
(1E)-1-((1-[(1Z)-prop-1-en-1-yldisulfanyl]propyl)sulfinyl)prop-1-ene
-
-
(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid
-
-
(6E,8Z,11Z,14Z)-(5S)-hydroperoxyicosa-6,8,11,14-tetraenoate
-
inhibits reaction with arachidonate
([3-chloro-5-(2,3-dihydro-1H-inden-4-ylamino)phenyl]sulfanyl)acetic acid
-
-
1,10-phenanthroline
-
0.01 mM, 34% inhibition
1,4a-dimethyl-7-(propan-2-yl)-1-(prop-1-en-2-yl)-1,2,3,4,4a,4b,5,6,10,10a-decahydrophenanthrene (non-preferred name)
-
-
1-(3,4-difluorophenyl)-1,2,4-triazinan-3-one
-
-
1-(3-bromophenyl)-1,2,4-triazinan-3-one
-
-
1-(3-chlorophenyl)-1,2,4-triazinan-3-one
-
-
1-(3-ethylphenyl)-1,2,4-triazinan-3-one
-
-
1-(3-hydroxyphenyl)-3-[4-(methylsulfonyl)phenyl]prop-2-yn-1-one
-
-
1-(6-methylpyridin-2-yl)-1,2,4-triazinan-3-one
-
-
1-hydroxy-1-[1-(5-methoxy-1-methyl-1H-indol-2-yl)ethyl]urea
-
-
1-phenyl-5-(propan-2-yl)-1,2,4-triazinan-3-one
-
-
1-[1-(6-tert-butyl-1-benzothiophen-2-yl)ethyl]-1-hydroxyurea
-
-
1-[3-(benzyloxy)phenyl]-1,2,4-triazinan-3-one
-
-
1-[4-([3-fluoro-5-[4-(methylsulfinyl)tetrahydro-2H-pyran-4-yl]phenoxy]methyl)phenyl]-2-methyl-1H-imidazole
-
-
1-[4-([3-fluoro-5-[4-(methylsulfonyl)tetrahydro-2H-pyran-4-yl]phenoxy]methyl)phenyl]-2-methyl-1H-imidazole
-
-
11,14,17-Eicosatrienoic acid
2,3,4',5-tetrahydroxystilbene-2-O-D-glucoside
-
polymorphonuclear leukocyte
2-(2,4-dihydroxyphenyl)-8,8-dimethyl-3-(3-methylbut-2-en-1-yl)-4H,8H-pyrano[2,3-f]chromen-4-one
-
-
2-(2-[ethyl(hydroxy)amino]ethyl)dibenzo[b,e]oxepin-11(6H)-one
-
-
2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
-
-
2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
-
-
2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one
-
-
2-(3-methylbut-2-en-1-yl)-6H-[1]benzofuro[3,2-c]chromene-3,6,9-triol
-
-
2-(3-[hydroxy(methyl)amino]propyl)dibenzo[b,e]oxepin-11(6H)-one
-
-
3-(2-(2-[(4-chlorophenyl)sulfanyl]ethoxy)-3-methoxy-5-[5-(3,4,5-trimethoxyphenyl)tetrahydrofuran-2-yl]benzyl)-1-hydroxy-1-methylurea
-
-
3-(4,5-dihydroxy-2-methyl-9,10-dioxo-4a,9,9a,10-tetrahydroanthracen-1-yl)-2-hydroxy-4,6-dimethoxybenzoic acid
-
-
3-ethoxy-11-oxours-12-en-23-oic acid
-
-
3-[4-(methylsulfonyl)phenyl]-1-[4-(propan-2-yl)phenyl]prop-2-yn-1-one
-
-
3-[5-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-2,4-dihydroxyphenyl]-5,7-dihydroxy-2,3-dihydro-4H-chromen-4-one
-
-
4,4'-(2,3-dimethyl)-1,4-butanediylbis-1,2-benzenediol
-
-
4,7,10,13,16,19-docosahexaenoic acid
-
IC50: 0.0013 mM
4,9-dimethoxy-3-methyl-9,10-dihydrophenanthrene-2,7-diol
-
-
4-(3-fluoro-5-[[4-(2-methyl-1H-imidazol-1-yl)benzyl]oxy]phenyl)-N-methyltetrahydro-2H-pyran-4-carboxamide
-
-
4-(3-fluoro-5-[[4-(2-methyl-1H-imidazol-1-yl)benzyl]oxy]phenyl)tetrahydro-2H-pyran-4-ol
-
-
4-(3-fluoro-5[[4-(2-methyl-1H-imidazol-1-yl)benzyl]oxy]phenyl)tetrahydro-2H-pyran-4-carboxylic acid
-
-
4-(6-methoxynaphthalen-2-yl)butan-2-one
-
-
4-(acetyloxy)-2-[4-(acetyloxy)-6-methylhept-5-en-2-yl]cyclohexyl (2Z)-2-methylbut-2-enoate
-
-
4-(furan-3-yl)-7-[[2-(tetrahydro-2H-pyran-4-yl)pyridin-4-yl]methoxy]naphthalene-2-carbonitrile
-
-
4-(furan-3-yl)-7-[[7-(tetrahydro-2H-pyran-4-yl)-1,2,3,4-tetrahydroquinolin-2-yl]oxy]naphthalene-2-carbonitrile
-
-
4-methylesculetin
-
polymorphonuclear leukocyte
4-[4-(4-fluoro-phenyl)-thiazol-2-ylamino]-2,6-dimethylphenol
-
KR-33749, the compound exhibits a more than 1000fold selectivity for 5-LO against 12-LO and 15-LO
5,5'-di(prop-2-en-1-yl)biphenyl-2,2'-diol
-
-
5,5-dimethyl-1-phenyl-1,2,4-triazinan-3-one
-
-
5,6-Dehydroarachidonate
-
irreversible
5,8,11,13-eicosatetraynoic acid
-
IC50: 0.028 mM
5-(4-fluorophenyl)-1-[4-(methylsulfonyl)phenyl]-3-(trifluoromethyl)-1H-pyrazole
-
-
5-butyl-1-phenyl-1,2,4-triazinan-3-one
-
-
5-ethyl-1-phenyl-1,2,4-triazinan-3-one
-
-
5-[(E)-2-(4-hydroxyphenyl)ethenyl]benzene-1,3-diol
-
-
6-(trideca-1,4,7-triene-1-sulfinyl)-hex-5-enoic acid
-
-
6-ethenesulfinyl-hex-5-enoic acid
-
-
6-ethenesulfinyl-hex-5-enoic acid amide
-
-
6-hept-1-ene-1-sulfinyl-hex-5-enoic acid
-
-
6-hept-1-enylsulfanyl-hex-5-enoic acid
-
-
6-vinylsulfanyl-hex-5-enoic acid
-
-
6-vinylsulfanyl-hex-5-enoic acid amide
-
-
7,8-dihydroxy-2H-chromen-2-one
-
-
7-thiaarachidonic acid
-
-
8,11,14-eicosatrienoic acid
8-hydroxyquinoline
-
0.01 mM, 59% inhibition
ABT 761
-
CAS: 154355-76-7
baicalein
-
IC50: 0.0012 mM
caffeic acid
-
IC50: 0.046 mM
catechol
-
IC50: 0.062 mM
Cirsiliol
-
IC50: 0.098 mM
daphnetin
-
polymorphonuclear leukocyte
docosahexaenoic acid
-
substrate inhibition
epinephrine
-
IC50: 0.98 mM
ethyl 2-(3-chlorobenzyl)-5-hydroxy-1H-benzo[g]indole-3-carboxylate
-
prevents leukotriene B4 production in pleural exudates of carrageenan-treated rats, associated with reduced severity of pleurisy. Significantly reduces the inflammatory reaction measured as exudate volume (77%), inflammatory cell numbers (40%), and leukotriene B4 levels (49%) in the pleural exudates
eupatilin
-
IC50: 0.098 mM
forsythiaside
-
polymorphonuclear leukocyte
fraxetin
-
polymorphonuclear leukocyte
glutathione
-
efficiency of non-redox-type 5-LO inhibitors depends on the presence of glutathione peroxidase activity leading to low hydroperoxide concentration
indomethacin
-
IC50: 0.36 mM
iodoacetamide
-
0.01 mM, 20% inhibition
leucocyanidol
-
polymorphonuclear leukocyte
myrtol
-
enzyme from RBL-1 cell
-
N-hydroxy-N-[(2E)-3-(3-phenoxyphenyl)prop-2-en-1-yl]acetamide
-
-
N-hydroxy-N-[1-(1-methyl-1H-indol-2-yl)ethyl]acetamide
-
-
NEM
-
0.01 mM, 75% inhibition
nordihydroguiaraetic acid
-
IC50: 0.00021 mM
norepinephrine
-
IC50: 0.49 mM
oroxindin
-
polymorphonuclear leukocyte
piceid
-
polymorphonuclear leukocyte
quercetagetin-7-O-beta-D-glucoside
-
polymorphonuclear leukocyte
quercetin
-
IC50: 0.0021 mM
resveratrol
-
polymorphonuclear leukocyte
sideritoflavone
-
polymorphonuclear leukocyte
suspensaside
-
polymorphonuclear leukocyte
tambuletin
-
polymorphonuclear leukocyte
verbascoside
-
polymorphonuclear leukocyte
11,14,17-Eicosatrienoic acid

-
substrate inhibition
11,14,17-Eicosatrienoic acid
-
IC50: 0.015 mM
8,11,14-eicosatrienoic acid

-
substrate inhibition
8,11,14-eicosatrienoic acid
-
IC50: 0.00219 mM
arachidonic acid

-
substrate inhibition
arachidonic acid
-
induces time-dependent enzyme inactivation at concentrations 100fold lower than the Km-value, IC50: 0.00023 mM
arachidonic acid
-
substrate inhibition above 0.045-0.05 mM
BW755C

-
CAS: 66000-40-6
eicosapentaenoic acid

-
substrate inhibition
eicosapentaenoic acid
-
induces time-dependent enzyme inactivation at concentrations 100fold lower than the Km-value, IC50: 0.00065 mM
esculetin

-
IC50: 0.0045 mM
esculetin
-
polymorphonuclear leukocyte
zileuton

-
-
zileuton
-
reduces exudate formation (77%), cell infiltration (41%), and leukotriene B4 exudate levels (66%)
additional information

inhibitor design, synthesis, biological evaluation, and molecular modeling, overview
-
additional information
-
-
-
additional information
-
plant extracts with inhibitory activity on arachidonate 5-lipoxygenase, inhibition of the 5-lipoxygenase pathway is considered to be interesting in the treatment of a variety of inflammatory diseases.
-
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