Synthesis of Leukotrienes (LT) and Eoxins (EX)

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-2142691
PubChem
R-HSA-2142691
Description
  • Leukotrienes (LTs) are biologically active molecules formed in response to inflammatory stimuli. They cause contraction of bronchial smooth muscles, stimulation of vascular permeability, and attraction and activation of leukocytes. LTs were discovered in 1938 and were termed the "slow release substance" (SRS) until their structures were determined in 1979 and they were then renamed to leukotrienes. LTs are derived from arachidonate through action by arachidonate 5-lipoxygenase (ALOX5). Cysteinyl leukotrienes (LTC4, LTD4, and LTE4) are generated as products derived from leukotriene A4 (LTA4). Eoxins are generated from leukotrienes (LTs) and resemble cysteinyl leukotrienes but have a different three-dimensional structure (Murphy & Gijon 2007, Hammarstrom 1983, MA.Claesson 2009, Vance & Vance 2008, Buczynski et al. 2009).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying all 7 entries
UniProt ID Protein Name Gene Symbol Pathway Viewer
P09960 Leukotriene A-4 hydrolase
  • LTA4
  • LTA4H
view
P16444 Dipeptidase 1
  • DPEP1
  • MDP
  • RDP
view
P19440 Glutathione hydrolase 1 proenzyme
  • GGT
  • GGT1
view
P20292 Arachidonate 5-lipoxygenase-activating protein
  • ALOX5AP
  • FLAP
view
P33527 Multidrug resistance-associated protein 1
  • ABCC1
  • MRP
  • MRP1
view
P36269 Glutathione hydrolase 5 proenzyme
  • GGT5
  • GGTLA1
view
Q9H4A9 Dipeptidase 2
  • DPEP2
  • UNQ284/PRO323
view

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026