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基于cDNA演绎的驴血清白蛋白序列特性 被引量:1

Sequence Analysis of Deduced Donkey Serum Albumin Based on cDNA
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摘要 由驴血清白蛋白(DkSA)的cDNA的基因序列获得演绎的驴血清白蛋白序列.以驴的肝细胞总RNA为模板,根据已有血清白蛋白基因序列的同源性,设计合成了特异性引物,通过3′RACE和RT-PCR进行扩增,测序.结果表明,由cDNA演绎的驴血清白蛋白序列有607个氨基酸组成,其中包括信号肽18个氨基酸残基,前肽6个氨基酸残基,成熟蛋白质含有583个氨基酸.该蛋白质序列与人、马、牛、羊和猪血清白蛋白氨基酸序列相似性分别为77·1%、98·5%、74·1%、75·7%和76·8%.其中驴血清白蛋白和马血清白蛋白序列只有8个氨基酸不同.本研究结果已被GenBank收录并贮存,编号为AY754333,为驴血清白蛋白的活性应用研究奠定了基础.
出处 《中国生物化学与分子生物学报》 CAS CSCD 北大核心 2006年第7期599-602,共4页 Chinese Journal of Biochemistry and Molecular Biology
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