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C-Terminus of p47phox Is Required for Interaction with Leukocyte Type Rat 12-Lipoxygenase

[ Vol. 12 , Issue. 3 ]


Michiharu Tanabe, Hideki Kamitani, Takashi Watanabe and Olof Radmark   Pages 295 - 297 ( 3 )


In yeast two-hybrid system, rat 12-lipoxygenase (12-LO) bound to complete (390 amino acids) or the Nterminus truncated form of human p47 phox, but not to the C-terminus truncated form (residues 1-286). When glutathione S-transferase fused human p47phox was added to an in vitro 12-LO enzyme activity assay, formation of 12- hydroperoxyeicosatetraenoic acid was reduced significantly compared to the C-terminus truncated form. These results indicate that C-terminus of p47phox is important for its interaction to rat 12-LO.


lipoxygenase, phagocyte, yeast two-hybrid, nadph oxidase, chaperone, dnak


Department of Neurosurgery, Institute of Neurological Sciences, Faculty of Medicine, Tottori University,36-1 Nishi-cho, Yonago City, 683-8504, Japan.

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