Function and Biology

The structure of h12-LOX in dimeric form

Source organism: Homo sapiens
Biochemical function: dioxygenase activity
Biological process: lipoxin B4 biosynthetic process
Cellular component: extracellular exosome

EC 1.13.11.33: Arachidonate 15-lipoxygenase

Reaction catalysed:
Arachidonate + O(2) = (5Z,8Z,11Z,13E)-(15S)-15-hydroperoxyicosa-5,8,11,13-tetraenoate
Systematic name:
Arachidonate:oxygen 15-oxidoreductase
Alternative Name(s):
  • 15-lipoxygenase
  • Arachidonate omega(6) lipoxygenase
  • Linoleic acid omega(6)-lipoxygenase
  • Omega(6) lipoxygenase

EC 1.13.11.31: Arachidonate 12-lipoxygenase

Reaction catalysed:
Arachidonate + O(2) = (5Z,8Z,10E,14Z)-(12S)-12-hydroperoxyicosa-5,8,10,14-tetraenoate
Systematic name:
Arachidonate:oxygen 12-oxidoreductase
Alternative Name(s):
  • 12-Delta-lipoxygenase
  • 12-lipoxygenase
  • 12S-lipoxygenase
  • C-12 lipoxygenase
  • Delta(12)-lipoxygenase
  • LTA(4) synthase
  • Leukotriene A(4) synthase

Sequence families

Pfam Protein families (Pfam)
PF00305
Domain description: Lipoxygenase
Occurring in:
  1. Polyunsaturated fatty acid lipoxygenase ALOX12
The deposited structure of PDB entry 8ghc contains 2 copies of Pfam domain PF00305 (Lipoxygenase) in Polyunsaturated fatty acid lipoxygenase ALOX12. Showing 1 copy in chain A.

PF01477
Domain description: PLAT/LH2 domain
Occurring in:
  1. Polyunsaturated fatty acid lipoxygenase ALOX12
The deposited structure of PDB entry 8ghc contains 2 copies of Pfam domain PF01477 (PLAT/LH2 domain) in Polyunsaturated fatty acid lipoxygenase ALOX12. Showing 1 copy in chain A.