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 O2 as oxidant and incorporation of
oxygen into the substrate (oxygenases). The oxygen incorporated need
not be derived from O2;
With incorporation of two atoms of oxygen
BRITE hierarchy
Sysname arachidonate:oxygen 5-oxidoreductase
Reaction(IUBMB) (1) arachidonate + O2 =
(5S,6S,7E,9E,11Z,14Z)-5,6-epoxyicosa-7,9,11,14-tetraenoate + H2O
(overall reaction) [RN:R08527];
(2) (1a) arachidonate + O2 =
(5S,6E,8Z,11Z,14Z)-5-hydroperoxyicosa-6,8,11,14-tetraenoate
[RN:R01595];
(3) (1b) (5S,6E,8Z,11Z,14Z)-5-hydroperoxyicosa-6,8,11,14-tetraenoate
= (5S,6S,7E,9E,11Z,14Z)-5,6-epoxyicosa-7,9,11,14-tetraenoate + H2O
[RN:R03058]
Reaction(KEGG) R01595 R03058 R08527;
(other) R07057
Show
Substrate arachidonate [CPD:C00219];
O2 [CPD:C00007];
(5S,6E,8Z,11Z,14Z)-5-hydroperoxyicosa-6,8,11,14-tetraenoate
[CPD:C05356]
Product (5S,6S,7E,9E,11Z,14Z)-5,6-epoxyicosa-7,9,11,14-tetraenoate
[CPD:C00909];
H2O [CPD:C00001];
(5S,6E,8Z,11Z,14Z)-5-hydroperoxyicosa-6,8,11,14-tetraenoate
[CPD:C05356]
Inhibitor AA861 [CPD:C01349];
Caffeate [CPD:C01481];
2-Heptyl-4-hydroxyquinoline-N-oxide [CPD:C04284]
Pathway PATH: ec00590  Arachidonic acid metabolism
PATH: ec01100  Metabolic pathways
Orthology KO: K00461  arachidonate 5-lipoxygenase
Genes HSA: 240(ALOX5)
PTR: 450428(ALOX5)
MCC: 707926(ALOX5)
MMU: 11689(Alox5)
RNO: 25290(Alox5)
CFA: 477753(ALOX5)
BTA: 404074(ALOX5)
SSC: 100156205
ECB: 100062042(ALOX5)
MDO: 100013954
DRE: 567204(DKEY-194N13.2)
SPU: 584481
NVE: NEMVE_v1g145353 NEMVE_v1g229180
NEU: NE1239(ALOX5)
Taxonomy
Reference
  Authors
  Title
  Journal
  Organism
1  [PMID:2829172]
Matsumoto T, Funk CD, Radmark O, Hoog JO, Jornvall H, Samuelsson B.
Molecular cloning and amino acid sequence of human 5-lipoxygenase.
Proc. Natl. Acad. Sci. U. S. A. 85 (1988) 26-30.
Homo sapiens [GN:hsa]
Reference
  Authors

  Title

  Journal
  Organism
2  [PMID:3038871]
Ohishi N, Izumi T, Minami M, Kitamura S, Seyama Y, Ohkawa S, Terao
S, Yotsumoto H, Takaku F, Shimizu T.
Leukotriene A4 hydrolase in the human lung. Inactivation of the
enzyme with leukotriene A4 isomers.
J. Biol. Chem. 262 (1987) 10200-5.
Homo sapiens [GN:hsa]
Reference
  Authors
  Title

  Journal
  Organism
3  [PMID:3012557]
Shimizu T, Izumi T, Seyama Y, Tadokoro K, Radmark O, Samuelsson B.
Characterization of leukotriene A4 synthase from murine mast cells:
evidence for its identity to arachidonate 5-lipoxygenase.
Proc. Natl. Acad. Sci. U. S. A. 83 (1986) 4175-9.
Mus musculus [GN:mmu]
Reference
  Authors
  Title

  Journal
  Organism
4  [PMID:6322165]
Shimizu T, Radmark O, Samuelsson B.
Enzyme with dual lipoxygenase activities catalyzes leukotriene A4
synthesis from arachidonic acid.
Proc. Natl. Acad. Sci. U. S. A. 81 (1984) 689-93.
Solanum tuberosum
Other DBs ExplorEnz - The Enzyme Database: 1.13.11.34
IUBMB Enzyme Nomenclature: 1.13.11.34
ExPASy - ENZYME nomenclature database: 1.13.11.34
BRENDA, the Enzyme Database: 1.13.11.34
CAS: 80619-02-9

DBGET integrated database retrieval system