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1. WO2007010525 - METHODS AND COMPOSITIONS FOR IDENTIFYING A PEPTIDE HAVING AN INTERMOLECULAR INTERACTION WITH A TARGET OF INTEREST

Publication Number WO/2007/010525
Publication Date 25.01.2007
International Application No. PCT/IL2006/000815
International Filing Date 12.07.2006
IPC
C40B 40/02 2006.1
CCHEMISTRY; METALLURGY
40COMBINATORIAL TECHNOLOGY
BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES, IN SILICO LIBRARIES
40Libraries per se, e.g. arrays, mixtures
02Libraries contained in or displayed by microorganisms, e.g. bacteria or animal cells; Libraries contained in or displayed by vectors, e.g. plasmids; Libraries containing only microorganisms or vectors
C40B 40/10 2006.1
CCHEMISTRY; METALLURGY
40COMBINATORIAL TECHNOLOGY
BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES, IN SILICO LIBRARIES
40Libraries per se, e.g. arrays, mixtures
04Libraries containing only organic compounds
10Libraries containing peptides or polypeptides, or derivatives thereof
G01N 33/53 2006.1
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
48Biological material, e.g. blood, urine; Haemocytometers
50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
53Immunoassay; Biospecific binding assay; Materials therefor
CPC
C07K 2319/50
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
2319Fusion polypeptide
50containing protease site
C07K 2319/70
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
2319Fusion polypeptide
70containing domain for protein-protein interaction
C12N 15/1037
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
10Processes for the isolation, preparation or purification of DNA or RNA
1034Isolating an individual clone by screening libraries
1037Screening libraries presented on the surface of microorganisms, e.g. phage display, E. coli display
C12N 15/1058
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
15Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
09Recombinant DNA-technology
10Processes for the isolation, preparation or purification of DNA or RNA
1034Isolating an individual clone by screening libraries
1058Directional evolution of libraries, e.g. evolution of libraries is achieved by mutagenesis and screening or selection of mixed population of organisms
C40B 10/00
CCHEMISTRY; METALLURGY
40COMBINATORIAL TECHNOLOGY
BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES, IN SILICO LIBRARIES
10Directed molecular evolution of macromolecules, e.g. RNA, DNA or proteins
C40B 40/02
CCHEMISTRY; METALLURGY
40COMBINATORIAL TECHNOLOGY
BCOMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES, IN SILICO LIBRARIES
40Libraries per se, e.g. arrays, mixtures
02Libraries contained in or displayed by microorganisms, e.g. bacteria or animal cells; Libraries contained in or displayed by vectors, e.g. plasmids; Libraries containing only microorganisms or vectors
Applicants
  • AEBI LTD. [IL]/[IL] (AllExceptUS)
  • MORAD, Ilan [IL]/[IL] (UsOnly)
  • ITZHAKI, Hanan [IL]/[IL] (UsOnly)
Inventors
  • MORAD, Ilan
  • ITZHAKI, Hanan
Agents
  • PEARL COHEN ZEDEK LATZER
Priority Data
60/701,09221.07.2005US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) METHODS AND COMPOSITIONS FOR IDENTIFYING A PEPTIDE HAVING AN INTERMOLECULAR INTERACTION WITH A TARGET OF INTEREST
(FR) PROCEDES ET COMPOSITIONS D'IDENTIFICATION D'UN PEPTIDE AYANT UNE INTERACTION INTERMOLECULAIRE AVEC UNE CIBLE D'INTERET
Abstract
(EN) This invention provides, in one embodiment, a recombinant virus or a recombinant virus library wherein each virus comprises a protein involved in viral attachment or infection, a polypeptide which differs by at least a single amino acid from another peptide or polypeptide in the library, and a modified cleavage site that is proximal to the peptide and the protein, wherein the cleavage site is modified such that a compound mediating cleavage has a reduced binding affinity for it as compared to a non-modified cleavage site. The invention further provides a target of interest complex comprising a protease, a target of interest involved in an intermolecular interaction, and a flexible linker that attaches the protease and target of interest. The invention further provides uses thereof, including a method for identifying a peptide which has an intermolecular interaction with a target of interest or identifying the agonistic or antagonistic feature of a peptide that has an intermolecular reaction with a target of interest.
(FR) L'invention concerne, dans un mode de réalisation, un virus recombinant ou une bibliothèque de virus recombinants. Chaque virus comprend une protéine impliquée dans une fixation ou infection virale, un polypeptide qui diffère par au moins un acide aminé simple d'un autre peptide ou polypeptide dans la bibliothèque, et un site de clivage modifié à proximité du peptide et de la protéine, ledit site de clivage étant modifié de façon qu'un clivage à composé intercalaire présente une affinité de liaison réduite comparé à un site de clivage non modifié. L'invention concerne en outre une cible d'un complexe d'intérêt comprenant une protéase, une cible d'intérêt impliquée dans une interaction intermoléculaire, et un lieur souple qui se fixe à la protéase et la cible d'intérêt. L'invention concerne également les utilisations associées, y compris un procédé permettant d'identifier un peptide qui a une interaction intermoléculaire avec une cible d'intérêt ou pour identifier la caractéristique agoniste ou antagoniste d'un peptide présentant une réaction intermoléculaire avec une cible d'intérêt.
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