DESIGN METHOD FOR RNA-BINDING PROTEIN USING PPR MOTIF, AND USE THEREOF
    1.
    发明公开
    DESIGN METHOD FOR RNA-BINDING PROTEIN USING PPR MOTIF, AND USE THEREOF 有权
    ENTWURFSVERFAHRENFÜREIN RNS-BINDENDES蛋白质MIT EINEM PPR-MOTIV UND VERWENDUNG DAVON

    公开(公告)号:EP2784157A1

    公开(公告)日:2014-10-01

    申请号:EP12841435.6

    申请日:2012-10-22

    IPC分类号: C12N15/09 C12Q1/68 C07K14/00

    摘要: A method for designing a protein capable of binding in an RNA base selective manner or RNA base sequence specific manner is provided. The protein of the present invention is a protein containing one or more of PPR motifs (preferably 2 to 14 PPR motifs) each consisting of a polypeptide of 30- to 38-amino acid length represented by the formula 1 (wherein Helix A is a moiety of 12-amino acid length capable of forming an α-helix structure, and is represented by the formula 2, wherein, in the formula 2, A 1 to A 12 independently represent an amino acid; X does not exist, or is a moiety of 1- to 9-amino acid length; Helix B is a moiety of 11- to 13-amino acid length capable of forming an α-helix structure; and L is a moiety of 2- to 7-amino acid length represented by the formula 3, wherein, in the formula 3, the amino acids are numbered "i" (-1), "ii" (-2), and so on from the C-terminus side, provided that L iii to L vii may not exist), and combination of three amino acids A 1 , A 4 and L ii , or combination of two amino acids A 4 , and L ii is a combination corresponding to a target RNA base or base sequence.

    摘要翻译: 提供了以RNA碱基选择性方式或RNA碱基序列特异性结合的蛋白质的设计方法。 本发明的蛋白质是含有一个或多个PPR基序(优选2至14个PPR基序)的蛋白质,每个PPR基序由由式1表示的30至38个氨基酸长度的多肽组成(其中螺旋A是部分 能够形成± - 螺旋结构的12个氨基酸长度,并且由式2表示,其中在式2中,A 1至A 12独立地表示氨基酸; X不存在或为部分 1至9个氨基酸长度;螺旋B是能形成± - 螺旋结构的11至13个氨基酸长度的部分; L是2-至7-氨基酸长度的部分,由 式3,其中,在式3中,如果L iii至L vii不可以,则从C末端侧的氨基酸编号为“i”(-1),“ii”(-2)等等 存在),并且三个氨基酸A 1,A 4和L ii的组合,或两个氨基酸A 4和L ii的组合是对应于靶RNA碱基或碱基序列的组合。