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    • 5. 发明授权
    • Bovine endothelial nitric oxide synthase nucleic acids
    • 牛内皮一氧化氮合酶核酸
    • US5498539A
    • 1996-03-12
    • US908245
    • 1992-07-02
    • David G. HarrisonR. Wayne AlexanderMurphy T. J.Ken'ichi Nishida
    • David G. HarrisonR. Wayne AlexanderMurphy T. J.Ken'ichi Nishida
    • C12N9/02C12N5/10C07H21/04C12N1/21
    • C12N9/0075
    • The cloning, nucleotide and deduced amino acid sequences of the gene encoding endothelial nitric oxide synthase are described. The sequence contains binding domains for calcium/calmodulin, FMN, FAD and NADPH. The enzyme has a molecular weight of 133,413 M.sub.r. The amino terminal portion of the enzyme exhibits a proline-rich region and several sites for proline-directed phosphorylation as well as a potential substrate site for acyl transferase. DNA probes prepared from the nucleic acid sequence are useful in research and diagnostically to determine the level of nitric oxide synthase mRNA expressed by endothelial cells both in cell culture and in intact tissues. These probes are also useful for detecting genetic abnormalities. The nitric oxide synthase gene is transfected into blood vessels in vivo for enhanced synthesis of nitric oxide synthase, resulting in increased production of nitric oxide. The gene is also transfected into host cells that do not normally express the enzyme for production of endothelial nitric oxide synthase in large volumes.
    • 描述了编码内皮一氧化氮合酶的基因的克隆,核苷酸和推定的氨基酸序列。 该序列含有钙/钙调蛋白,FMN,FAD和NADPH的结合结构域。 酶的分子量为133,413。酶的氨基末端部分表现出富含脯氨酸的区域和脯氨酸定向磷酸化的几个位点以及酰基转移酶的潜在底物位点。 从核酸序列制备的DNA探针在研究和诊断上可用于确定细胞培养和完整组织中内皮细胞表达的一氧化氮合成酶mRNA的水平。 这些探针也可用于检测遗传异常。 一氧化氮合酶基因在体内转染到血管中以增强一氧化氮合成酶的合成,导致一氧化氮的产生增加。 该基因也被转染到宿主细胞中,该细胞通常不表达用于大量生产内皮一氧化氮合成酶的酶。