PAF and PAF acetylhydrolase in the nervous system

Mitsuharu Hattori, Junken Aoki, Hiroyuki Arai, Keizo Inoue
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引用次数: 15

Abstract

PAF acetylhydrolase is a key enzyme of PAF inactivation. Intracellular PAF acetylhydrolase isoform Ib is a heterotrimeric enzyme composed of α-, β- and γ-subunits. The β- and γ-subunits act as a catalytic unit and their amino acid sequences are homologous. The α-subunit is not essential for catalytic activity but is a product of the causative gene for Miller-Dicker lissencephaly, suggesting this subunit plays an important role in brain development.

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神经系统中的PAF和PAF乙酰水解酶
PAF乙酰水解酶是PAF失活的关键酶。胞内PAF乙酰水解酶异构体Ib是由α-、β-和γ-亚基组成的异三聚体酶。β-和γ-亚基作为催化单元,它们的氨基酸序列是同源的。α-亚基不是催化活性所必需的,而是米勒-迪克无脑畸形致病基因的产物,表明该亚基在大脑发育中起重要作用。
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