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Title:
KIT AND METHOD FOR USE IN THE DETECTION OF PROTEIN-PROTEIN INTERACTION IN EUKARYOTIC CELL
Document Type and Number:
WIPO Patent Application WO/2007/037482
Kind Code:
A1
Abstract:
Disclosed is a kit for use in the detection of the protein-protein interaction which can detect the interaction between a protein X and a protein Y in an eukaryotic cell with higher sensitivity than that in a conventional method. The kit comprises first chimeric DNA capable of expressing a fusion molecule [DNA-binding peptide/half-intein/protein X], second chimeric DNA capable of expressing a fusion molecule [protein Y/half-intein/transcriptionally active peptide], and third chimeric DNA capable of expressing a reporter molecule when bound to a fusion molecule [transcriptionally active peptide/DNA-binding peptide].

Inventors:
UMEZAWA YOSHIO (JP)
OZAWA TAKEAKI (JP)
KANNO AKIRA (JP)
Application Number:
PCT/JP2006/319716
Publication Date:
April 05, 2007
Filing Date:
October 02, 2006
Export Citation:
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Assignee:
UNIV TOKYO (JP)
UMEZAWA YOSHIO (JP)
OZAWA TAKEAKI (JP)
KANNO AKIRA (JP)
International Classes:
C12Q1/68; C12N15/00; C12Q1/02; G01N21/78; G01N33/53
Domestic Patent References:
WO2005014813A12005-02-17
WO2004027057A12004-04-01
WO2004104222A12004-12-02
WO2004043992A22004-05-27
WO2006035975A12006-04-06
Foreign References:
JP2005239584A2005-09-08
JP2005170796A2005-06-30
Other References:
KANNO A. ET AL.: "Tanpakushitsu Splicing Hanno ni Motozuku Tensha Inshi o Kaishita Tanpakushitsukan Sogo Sayo Kenshutsuho no Kaihatsu", CSJ: THE CHEMICAL SOCIETY OF JAPAN DAI 84 SHUNKI NENKAI (2004) KOEN YOKOSHU II, 11 March 2004 (2004-03-11), pages 1141 - 1144, J5-25, XP003011065
KANNO A. ET AL.: "Intein o Kaishita Tensha Inshi Keisei ni yoru Tanpakushitsu - Tanpakushitsukan sogo Sayo Kenshutsu no tameno Hakko Probe", CSJ: THE CHEMICAL SOCIETY OF JAPAN DAI 86 SHUNKI NENKAI (2006) KOEN YOKOSHU I, 13 March 2006 (2006-03-13), pages 506, 4 J6-10, XP003011066
KANNO A. ET AL.: "Intein-Mediated Reporter Gene Assay for Detecting Protein-Protein Interactions in Living Mammalian Cells", ANALYTICAL CHEMISTRY, vol. 78, no. 2, 15 January 2006 (2006-01-15), pages 556 - 560, XP003011067
PAULMURUGAN R. ET AL.: "Noninvasive imaging of protein-protein interactions in living subjects by using reporter protein complementation and reconstitution strategies", PNAS, vol. 99, 2002, pages 15608 - 15613, XP002980935
OZAWA T.: "Intein", MOLECULAR MEDICINE, vol. 40, no. 11, 2003, pages 1384 - 1386, XP003011068
Attorney, Agent or Firm:
NISHIZAWA, Toshio (11-1 Minami-Aoyama 6-chome,, Minato-k, Tokyo 62, JP)
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