genetical system 中文意思是什麼
genetical system
解釋
遺傳體系-
Methods : 1. expression and purification of recombinant human ctla4 extracellular domain : a 400bp dna fragment of ctla4 extracellular domain was obtained from the pctla4 / ig plasmid with genetical technique. then, this dna fragment was inserted into ppic9 plasmid to construct the single copy plasmid of yeast expression system ( ppic9 - ctla4125 ). furthermore, the multi - copy plasmid ( ppic9k - ctla4125 ) was constructed
重組人ctla4胞外區蛋白在酵母gs115中的表達和純化：首先通過基因操作技術，從pctla4八g質粒中擴增400hp的ctla4胞外區片段；將ctla4胞外區片段插人ppicg質粒中獲取單拷貝酵母表達質粒ppicg ctla4125並進一步構建多拷貝酵母表達質粒ppicgk （ 。
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