Methods and compositions for identifying a peptide having an intermolecular interaction with a target of interest
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United States of America Patent
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Dec 25, 2018
Grant Date -
Feb 18, 2016
app pub date -
Oct 27, 2015
filing date -
Jul 21, 2005
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Abstract
A system of a recombinant bacteriophage library and a target of interest complex, wherein the recombinant bacteriophage peptide library includes a plurality of peptides expressed on the surface of recombinant bacteriophages wherein each recombinant bacteriophage includes (a) a pill protein; wherein each pill protein includes (b) a peptide or polypeptide involved in an intermolecular interaction, which differs by at least one amino acid from other peptides or polypeptides in the library; and (c) a modified protease cleavage site proximal to the peptide, wherein the modified protease cleavage site is the same in each bacteriophage, the modified cleavage site having a reduced binding affinity to a protease, as compared to a non-modified cleavage site, and wherein the target of interest complex includes a protease, a flexible linker attached to the protease, and a target of interest attached to the flexible linker, wherein the target of interest participates in an intermolecular interaction.
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