In this work, antibodies with specificity for Pro/Ala-rich sequences (PAS) were functionally and structurally analyzed. Crystal structures of the recombinant antibody fragments in complex with their epitope peptides provided insights into the biomolecular recognition of the structurally disordered PAS polypeptide chains. These antibodies not only provide valuable reagents for the analytics of PASylated proteins; using an antibody fragment with moderate affinity, a novel strategy for their efficient and gentle affinity purification was also developed.
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In this work, antibodies with specificity for Pro/Ala-rich sequences (PAS) were functionally and structurally analyzed. Crystal structures of the recombinant antibody fragments in complex with their epitope peptides provided insights into the biomolecular recognition of the structurally disordered PAS polypeptide chains. These antibodies not only provide valuable reagents for the analytics of PASylated proteins; using an antibody fragment with moderate affinity, a novel strategy for their effic...
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