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重组槲寄生凝集素高效表达体系的建立

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摘要 目的:建立槲寄生凝集素的毕赤酵母高效分泌表达体系。方法:根据VAA-Ⅰ的蛋白质序列合成适于在毕赤酵母中表达的基因序列,通过PCR的方法引入KpnⅠ和EcoRⅠ位点,并连入表达载体p PICZαA中的特定位置,然后转化毕赤酵母,用SDS-PAGE和Western Blot分析多个克隆中r VAA-Ⅰ的表达情况。结果:其试管规模产量可达39 mg/L,其纯度可达97%,且分子量测定和氨基酸序列分析与预期相符。结论:本研究成功的建立了r VAA-Ⅰ在毕赤酵母中的表达与小量纯化方法。
出处 《中国民康医学》 2016年第8期61-63,共3页 Medical Journal of Chinese People’s Health
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