Title : Characterization and separation of the arachidonic acid 5-lipoxygenase and linoleic acid omega-6 lipoxygenase (arachidonic acid 15-lipoxygenase) of human polymorphonuclear leukocytes.

Pub. Date : 1985 Apr 10

PMID : 3920219






3 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 The cytosolic fraction of human polymorphonuclear leukocytes precipitated with 60% ammonium sulfate produced 5-lipoxygenase products from [14C]arachidonic acid and omega-6 lipoxygenase products from both [14C]linoleic acid and, to a lesser extent, [14C]- and [3H]arachidonic acid. Arachidonic Acid arachidonate 5-lipoxygenase Homo sapiens
2 The cytosolic fraction of human polymorphonuclear leukocytes precipitated with 60% ammonium sulfate produced 5-lipoxygenase products from [14C]arachidonic acid and omega-6 lipoxygenase products from both [14C]linoleic acid and, to a lesser extent, [14C]- and [3H]arachidonic acid. Arachidonic Acid arachidonate 5-lipoxygenase Homo sapiens
3 The arachidonyl 5-lipoxygenase had a pH optimum of 7.5 and was 50% maximally active at a Ca2+ concentration of 0.05 mM; the Km for production of 5-HPETE/5-HETE from arachidonic acid was 12.2 +/- 4.5 microM (mean +/- S.D., n = 3), and the Vmax was 2.8 +/- 0.9 nmol/min X mg protein (mean +/- S.D., n = 3). Arachidonic Acid arachidonate 5-lipoxygenase Homo sapiens