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Title:
DNA BINDING PROTEIN USING PPR MOTIF, AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2014/175284
Kind Code:
A1
Abstract:
 [Problem] Based on the prediction that the rules for DNA recognition possessed by a PPR motif may also be used in DNA recognition, perform analysis of PPR protein that is active in DNA binding, and search for a PPR protein that has such characteristics. The present invention addresses the aforementioned problem by means of a protein that can bind DNA base-selectively or DNA base sequence-specifically, and that contains a plurality of, preferably 2-30, more preferably 5-25, and even more preferably 9-15, PPR motifs having the structure in formula 1 (in formula 1: Helix A is a part that can form an α helix structure; X is a part that does not exist or that comprises 1-9 amino acids; Helix B is a part that can form an α helix structure; and L is a part that comprises 2-7 amino acids), the PPR motif having a specific combination of three amino acids corresponding to the DNA base or target base sequence: first A.A. of Helix A and the 4th A.A. of Helix A in formula 1, together with the "ii"(-2)th A.A. contained in L. (Helix A)-X-(Helix B)-L (formula 1)

Inventors:
YAMAMOTO TAKASHI (JP)
SAKUMA TETSUSHI (JP)
NAKAMURA TAKAHIRO (JP)
YAGI YUSUKE (JP)
OKAWA YASUYUKI (JP)
Application Number:
PCT/JP2014/061329
Publication Date:
October 30, 2014
Filing Date:
April 22, 2014
Export Citation:
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Assignee:
UNIV KYUSHU NAT UNIV CORP (JP)
UNIV HIROSHIMA (JP)
International Classes:
C07K4/10; C07K14/415; C07K19/00; C12N9/16; C12Q1/68
Domestic Patent References:
WO2011111829A12011-09-15
WO2013058404A12013-04-25
WO2011072246A22011-06-16
WO2011111829A12011-09-15
Foreign References:
JP2012077274W2012-10-22
JP2011242250A2011-12-01
Other References:
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See also references of EP 3020722A4
Attorney, Agent or Firm:
SIKS & CO. (Kyobashi-Nisshoku Bldg. 8-7, Kyobashi 1-chome, Chuo-k, Tokyo 31, JP)
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