KEGG   ENZYME: 1.13.11.34Help
Entry
EC 1.13.11.34               Enzyme                                 

Name
arachidonate 5-lipoxygenase;
leukotriene-A4 synthase;
Delta5-lipoxygenase;
5Delta-lipoxygenase;
arachidonic 5-lipoxygenase;
arachidonic acid 5-lipoxygenase;
C-5-lipoxygenase;
LTA synthase;
leukotriene A4 synthase
Class
Oxidoreductases;
Acting on single donors with incorporation of molecular oxygen (oxygenases);
With incorporation of two atoms of oxygen
BRITE hierarchy
Sysname
arachidonate:oxygen 5-oxidoreductase
Reaction(IUBMB)
arachidonate + O2 = leukotriene A4 + H2O (overall reaction) [RN:R08527];
(1a) arachidonate + O2 = (6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyicosa-6,8,11,14-tetraenoate [RN:R01595];
(1b) (6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyicosa-6,8,11,14-tetraenoate = leukotriene A4 + H2O [RN:R03058]
Reaction(KEGG)
Substrate
arachidonate [CPD:C00219];
O2 [CPD:C00007];
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate [CPD:C05356]
Product
leukotriene A4 [CPD:C00909];
H2O [CPD:C00001];
(6E,8Z,11Z,14Z)-(5S)-5-hydroperoxyeicosa-6,8,11,14-tetraenoate [CPD:C05356]
History
EC 1.13.11.34 created 1984, modified 1990
Pathway
Arachidonic acid metabolism
Metabolic pathways
Orthology
K00461  
arachidonate 5-lipoxygenase
Genes
HSA: 
240(ALOX5)
PTR: 
450428(ALOX5)
PPS: 
100979027(ALOX5)
GGO: 
101135686(ALOX5)
PON: 
100460538(ALOX5)
NLE: 
100584513(ALOX5)
MCC: 
707926(ALOX5)
MCF: 
102132853(ALOX5)
CJC: 
100386217(ALOX5)
MMU: 
11689(Alox5)
RNO: 
25290(Alox5)
CGE: 
100772492(Alox5)
NGI: 
103737907(Alox5)
HGL: 
101700210(Alox5)
OCU: 
100341714(ALOX5)
TUP: 
102480526(ALOX5)
CFA: 
477753(ALOX5)
AML: 
100476416(ALOX5)
UMR: 
103668062(ALOX5)
FCA: 
101097422(ALOX5)
PTG: 
102973009(ALOX5)
BTA: 
404074(ALOX5)
BOM: 
102270550(ALOX5)
PHD: 
102339465(ALOX5)
CHX: 
102168425(ALOX5)
OAS: 
101117390(ALOX5)
SSC: 
100156205(ALOX5)
CFR: 
102507744(ALOX5)
BACU: 
103009115(ALOX5)
LVE: 
103081267(ALOX5)
ECB: 
100062042(ALOX5)
MYB: 
102249760(ALOX5)
MYD: 
102754419(ALOX5)
PALE: 
102898772(ALOX5)
MDO: 
100013954(ALOX5)
SHR: 
100932471(ALOX5)
OAA: 
100077066(ALOX5)
GGA: 
423769(ALOX5)
MGP: 
100542129(ALOX5)
APLA: 
101801930(ALOX5)
TGU: 
FAB: 
101813553(ALOX5)
PHI: 
102112541(ALOX5)
FPG: 
101914238(ALOX5)
FCH: 
102053142(ALOX5)
CLV: 
102085004(ALOX5)
ASN: 
102371605(ALOX5)
AMJ: 
102568608(ALOX5)
PSS: 
102462244(ALOX5)
CMY: 
102944803(ALOX5)
ACS: 
100556313(alox5)
PBI: 
XTR: 
100036609(alox5)
DRE: 
567204(alox5a)
TRU: 
MZE: 
OLA: 
XMA: 
LCM: 
102353934(ALOX5)
CMK: 
BFO: 
CIN: 
SPU: 
HRO: 
LGI: 
NVE: 
HMG: 
TAD: 
AQU: 
MXA: 
MSD: 
CCX: 
 » show all
Taxonomy
Reference
1  [PMID:2829172]
  Authors
Matsumoto T, Funk CD, Radmark O, Hoog JO, Jornvall H, Samuelsson B.
  Title
Molecular cloning and amino acid sequence of human 5-lipoxygenase.
  Journal
Proc. Natl. Acad. Sci. U. S. A. 85 (1988) 26-30.
  Sequence
[hsa:240]
Reference
2  [PMID:3038871]
  Authors
Ohishi N, Izumi T, Minami M, Kitamura S, Seyama Y, Ohkawa S, Terao S, Yotsumoto H, Takaku F, Shimizu T.
  Title
Leukotriene A4 hydrolase in the human lung. Inactivation of the enzyme with leukotriene A4 isomers.
  Journal
J. Biol. Chem. 262 (1987) 10200-5.
Reference
3  [PMID:3012557]
  Authors
Shimizu T, Izumi T, Seyama Y, Tadokoro K, Radmark O, Samuelsson B.
  Title
Characterization of leukotriene A4 synthase from murine mast cells: evidence for its identity to arachidonate 5-lipoxygenase.
  Journal
Proc. Natl. Acad. Sci. U. S. A. 83 (1986) 4175-9.
Reference
4  [PMID:6322165]
  Authors
Shimizu T, Radmark O, Samuelsson B.
  Title
Enzyme with dual lipoxygenase activities catalyzes leukotriene A4 synthesis from arachidonic acid.
  Journal
Proc. Natl. Acad. Sci. U. S. A. 81 (1984) 689-93.
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
80619-02-9

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