Antiviral protein
    7.
    发明授权
    Antiviral protein 失效
    抗病毒蛋白

    公开(公告)号:US5340732A

    公开(公告)日:1994-08-23

    申请号:US854845

    申请日:1992-03-20

    摘要: An antiviral protein having an amino acid sequence represented by sequence No. 8 of a Sequence Listing is disclosed. The protein is obtained such that cysteine residues in the basic protein (MAP) obtained from Mirabilis jalapa and having antiviral activity are substituted with serine residues. More specifically, a MAP gene in which codons encoding cysteines are substituted with codons encoding serines is prepared, and this gene is integrated in a MAP secretion vector. This vector is introduced into a host to express the gene, thereby obtaining the antiviral protein. This protein retains MAP advantages as a toxic protein and has higher protein synthesis inhibition activity than that of MAP, and almost equal to that of a lysine A chain.

    摘要翻译: 公开了具有由序列表的序列号8表示的氨基酸序列的抗病毒蛋白质。 获得蛋白质,使得从Mirabilis jalapa获得并具有抗病毒活性的碱性蛋白质(MAP)中的半胱氨酸残基被丝氨酸残基取代。 更具体地,制备其中编码半胱氨酸的密码子被编码丝氨酸的密码子替代的MAP基因,并将该基因整合到MAP分泌载体中。 将该载体导入宿主以表达基因,从而获得抗病毒蛋白质。 该蛋白质保留了作为毒性蛋白质的MAP优点,并且具有比MAP更高的蛋白质合成抑制活性,并且几乎等于赖氨酸A链的蛋白质合成抑制活性。