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5-lipoxygenase (arachidonate-5-lipoxygenase, ALOX5)

Function: 1) catalyzes 1st & 2nd steps of leukotriene synthesis 2) may play a role in actin polymerization 3) Ser phosphorylation by MAPKAPK2 is stimulated by arachidonic acid Cofactors: Fe+2, Ca+2, ATP Structure: - belongs to the lipoxygenase family - contains 1 PLAT domain Compartment: - cytoplasm, peripheral membrane - Ca+2 binding promotes binding to membranes

Interactions

molecular events

Related

lipoxygenase cascade

General

lipoxygenase (arachidonate lipoxygenase, ALOX) phosphoprotein

Properties

SIZE: entity length = 674 aa MW = 78 kD COMPARTMENT: cytoplasm MOTIF: PLAT {2-118} MOTIF: Ca+2-binding site SITE: 17-17 Ca+2-binding site SITE: 18-18 Ca+2-binding site SITE: 19-19 Ca+2-binding site SITE: 44-44 Ca+2-binding site SITE: 45-45 Ca+2-binding site SITE: 47-47 Ca+2-binding site SITE: 79-79 Ca+2-binding site SITE: 80-80 Ser phosphorylation site {S272} Iron [Fe]-binding site SITE: 368-368 Iron [Fe]-binding site SITE: 373-373 Ser phosphorylation site {S524} Iron [Fe]-binding site SITE: 551-551 Iron [Fe]-binding site SITE: 555-555 Iron [Fe]-binding site SITE: 674-674

Database Correlations

OMIM 152390 UniProt P09917 PFAM correlations Entrez Gene 240 KEGG correlations ENZYME 1.13.11.34

References

  1. UniProt :accession P09917
  2. Clark EA & Brugge JS Integrins and signal transduction pathways: the road taken. Science 268:233 1995 PMID: 7716514
  3. Atlas of genetics & cytogenetics in oncology & Haematology http://atlasgeneticsoncology.org/genes/ALOX5ID42985ch10q11.html