CA2337490A1 - Identification of compound-protein interactions using libraries of protein-nucleic acid fusion molecules - Google Patents

Identification of compound-protein interactions using libraries of protein-nucleic acid fusion molecules Download PDF

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Publication number
CA2337490A1
CA2337490A1 CA002337490A CA2337490A CA2337490A1 CA 2337490 A1 CA2337490 A1 CA 2337490A1 CA 002337490 A CA002337490 A CA 002337490A CA 2337490 A CA2337490 A CA 2337490A CA 2337490 A1 CA2337490 A1 CA 2337490A1
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Prior art keywords
protein
compound
fusion
nucleic acid
solid support
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CA002337490A
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French (fr)
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CA2337490C (en
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Peter Lohse
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Bristol Myers Squibb Co
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Individual
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Publication of CA2337490A1 publication Critical patent/CA2337490A1/en
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Publication of CA2337490C publication Critical patent/CA2337490C/en
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Expired - Lifetime legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K1/00—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length
    • C07K1/04—General methods for the preparation of peptides, i.e. processes for the organic chemical preparation of peptides or proteins of any length on carriers
    • C07K1/047—Simultaneous synthesis of different peptide species; Peptide libraries
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K19/00—Hybrid peptides, i.e. peptides covalently bound to nucleic acids, or non-covalently bound protein-protein complexes

Abstract

Disclosed herein is a method for detecting a compound-protein interaction, involving: (a) providing a compound library in which each member of the compound library is immobilized on a solid support; (b) contacting each member of the immobilized compound library in a single reaction chamber with each member of a protein-nucleic acid fusion library under conditions which allow the formation of compound-fusion complexes; (c) isolating the immobilized compound-fusion complexes; and (d) detecting a compound-fusion complex as an indication that the protein of the fusion interacts with the compound. In preferred embodiments, the protein is identified by reading the nucleic acid portion of the fusion, and the compound is identified by reading a detectable tag bound to either the compound or the solid support.

Claims (20)

1. A method for detecting a compound-protein interaction, said method comprising:
(a) providing a compound library in which each member of said compound library is immobilized on a solid support;
(b) contacting each member of said immobilized compound library in a single reaction chamber with each member of a protein-nucleic acid fusion library under conditions which allow the formation of compound-fusion complexes;
(c) isolating said immobilized compound-fusion complexes; and (d) detecting said compound-fusion complex as an indication that the protein of said fusion interacts with said compound.
2. The method of claim 1, wherein said protein-nucleic acid fusion is a protein-RNA fusion, a protein-DNA fusion, or a protein fused to a DNA-RNA hybrid molecule.
3. The method of claim 1, wherein said solid support is a bead.
4. The method of claim 3, wherein each said bead is coded with a unique detectable label.
5. The method of claim 4, wherein the compound of said complexed protein-nucleic acid fusion is identified by said unique detectable label associated with said bead.
6. The method of claim 4, wherein said detectable label is a peptide label, a nucleic acid label, a chemical label, a fluorescent label, or a radio frequency tag.
7. The method of claim 1, wherein said solid support is a chip and said compound library is immobilized on said chip in an addressable array.
8. The method of claim 7, wherein each member of said protein-nucleic acid fusion library is detectably labeled.
9. The method of claim 1, wherein said compound-fusion complex, or the components thereof, are recovered by release from said solid support.
10. The method of claim 1, wherein said method further comprises recovering said protein-nucleic acid fusion from said solid support and identifying said protein.
11. The method of claim 10, wherein the identity of said protein is determined from the sequence of the nucleic acid portion of said protein-nucleic acid fusion.
12. The method of claim 1, wherein said compound is a small molecule.
13. A method for detecting a compound-protein interaction, said method comprising:
(a) providing a compound immobilized on a solid support;
(b) contacting said immobilized compound with a protein-nucleic acid fusion library under conditions which allow said fusion to bind to said compound; and (c) detecting a bound protein-nucleic acid fusion as an indication that the protein of said protein-nucleic acid fusion interacts with said compound.
14. The method of claim 13, wherein said protein-nucleic acid fusion is a protein-RNA fusion, a protein-DNA fusion, or a protein fused to a DNA-RNA hybrid molecule.
15. The method of claim 13, wherein said protein-nucleic acid fusion is detectably labeled and said interaction is indicated by the association of said detectable label with said solid support.
16. The method of claim 13, wherein said bound protein-nucleic acid fusion is recovered by release from said solid support.
17. The method of claim 13, wherein said method further comprises recovering said protein-nucleic acid fusion from said solid support and identifying said protein.
18. The method of claim 17, wherein the identity of said protein is determined from the sequence of the nucleic acid portion of said protein-nucleic acid fusion.
19. The method of claim 13, wherein said solid support is a column, glass slide, chip, or bead.
20. The method of claim 13, wherein said compound is a small molecule.
CA2337490A 1998-08-17 1999-08-16 Identification of compound-protein interactions using libraries of protein-nucleic acid fusion molecules Expired - Lifetime CA2337490C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9682098P 1998-08-17 1998-08-17
US60/096,820 1998-08-17
PCT/US1999/018600 WO2000009464A1 (en) 1998-08-17 1999-08-16 Identification of compound-protein interactions using libraries of protein-nucleic acid fusion molecules

Publications (2)

Publication Number Publication Date
CA2337490A1 true CA2337490A1 (en) 2000-02-24
CA2337490C CA2337490C (en) 2012-01-03

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CA2337490A Expired - Lifetime CA2337490C (en) 1998-08-17 1999-08-16 Identification of compound-protein interactions using libraries of protein-nucleic acid fusion molecules

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US (1) US6602685B1 (en)
EP (1) EP1105360B1 (en)
JP (1) JP4278872B2 (en)
AT (1) ATE437844T1 (en)
AU (1) AU757955B2 (en)
CA (1) CA2337490C (en)
CY (1) CY1110515T1 (en)
DE (1) DE69941193D1 (en)
DK (1) DK1105360T3 (en)
ES (1) ES2329205T3 (en)
PT (1) PT1105360E (en)
WO (1) WO2000009464A1 (en)

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Publication number Publication date
US6602685B1 (en) 2003-08-05
WO2000009464A1 (en) 2000-02-24
PT1105360E (en) 2009-09-30
ATE437844T1 (en) 2009-08-15
JP2002522057A (en) 2002-07-23
JP4278872B2 (en) 2009-06-17
EP1105360A4 (en) 2005-06-22
AU6129699A (en) 2000-03-06
DK1105360T3 (en) 2009-11-02
WO2000009464A9 (en) 2000-09-28
ES2329205T3 (en) 2009-11-23
CA2337490C (en) 2012-01-03
AU757955B2 (en) 2003-03-13
DE69941193D1 (en) 2009-09-10
EP1105360A1 (en) 2001-06-13
EP1105360B1 (en) 2009-07-29
CY1110515T1 (en) 2015-04-29

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