Systematic evolution of ligands by exponential enrichment: chemi-SELEX
First Claim
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1. A method for identifying nucleic acid ligands that bind covalently with a target molecule from a candidate mixture of nucleic acids wherein each nucleic acid in said candidate mixture comprises a chemically reactive functional unit, said method comprising:
- a) preparing a candidate mixture of said nucleic acids;
b) contacting said candidate mixture with said target molecule, wherein nucleic acids which bind covalently with said target molecule form nucleic acid-target molecule complexes;
c) partitioning the nucleic acid-target molecule complexes from the remainder of the candidate mixture, whereby nucleic acid ligands that bind covalently with the target molecule are identified.
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Abstract
This application provides methods for identifying nucleic acid ligands capable of covalently interacting with targets of interest. The nucleic acids can be associated with various functional units. The method also allows for the identification of nucleic acids that have facilitating activities as measured by their ability to facilitate formation of a covalent bond between the nucleic acid, including its associated functional unit, and its target.
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7 Claims
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1. A method for identifying nucleic acid ligands that bind covalently with a target molecule from a candidate mixture of nucleic acids wherein each nucleic acid in said candidate mixture comprises a chemically reactive functional unit, said method comprising:
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a) preparing a candidate mixture of said nucleic acids; b) contacting said candidate mixture with said target molecule, wherein nucleic acids which bind covalently with said target molecule form nucleic acid-target molecule complexes; c) partitioning the nucleic acid-target molecule complexes from the remainder of the candidate mixture, whereby nucleic acid ligands that bind covalently with the target molecule are identified. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification