首页> 外国专利> Expression plasmid containing a fragment of DNA encoding tissue plasminogen activator of human, bacteria E. coli - producers of precursor protein, human tissue plasminogen activator, process for recombinant tissue plasminogen activator of human

Expression plasmid containing a fragment of DNA encoding tissue plasminogen activator of human, bacteria E. coli - producers of precursor protein, human tissue plasminogen activator, process for recombinant tissue plasminogen activator of human

机译:包含编码人类组织纤溶酶原激活物的DNA片段的表达质粒,细菌大肠杆菌-前体蛋白的生产者,人类组织纤溶酶原激活物,重组人纤溶酶原激活物的方法

摘要

FIELD: biotechnology.SUBSTANCE: invention represents a method of production of precursor of a recombinant fragment of human tissue plasminogen activator (tPA) (reteplase) using a bacterium belonging to the genus Escherichia, transformed with an expression plasmid containing a DNA fragment encoding a precursor of the recombinant fragment of human tissue plasminogen activator (tPA) (reteplase), comprising a sequence encoding a cleavable N-terminal peptide comprising decahistidine cluster and sequence of enterokinase recognition fused in frame, or a fragment of DNA encoding the [-1] methionyl of fragment of human tPA (reteplase), under the control of a promoter operating in the said bacterial cell.EFFECT: invention enables to obtain a recombinant fragment of human tissue plasminogen activator with a high yield.10 cl, 6 dwg, 1 tbl, 8 ex
机译:技术领域本发明表示一种使用属于大肠杆菌的细菌生产人类组织纤溶酶原激活物(tPA)(reteplase)重组片段的前体的方法,该细菌用含有编码前体的DNA片段的表达质粒转化组织纤溶酶原激活物(tPA)(reteplase)的重组片段的组成,其包含编码可切割的N末端肽的序列,该序列包含框内融合的十氨基酸序列和肠激酶的识别序列,或编码[-1]甲硫酰基的DNA片段在所述细菌细胞中操作的启动子的控制下,制备人tPA(reteplase)片段。效果:本发明能够以高产量获得人组织纤溶酶原激活物的重组片段。10 cl,6 dwg,1 tbl, 8前

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