Method of affinity separation and ligands for use therein
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United States of America Patent
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Dec 1, 2004
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Oct 21, 1998
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Abstract
Methods of affinity separation wherein the affinity ligand is immobilized proteinaceous ligand wherein one or more of its asparagine (Asn) residues has been modified. Methods of making a stabilized combinatorial protein by a) modification of Asn residues within a protein molecule to increase stability of the protein in alkaline conditions, and b) randomization of the protein molecule to modify its binding characteristics, and combinatorial proteins wherein in a step separate from the randomization step, the stability of the protein in alkaline conditions has been increased by modifying one or more of its Asn residues.
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