Abstract

Artificial binding proteins have been validated as alternatives to antibodies in their use as research reagents in molecular and cellular biology. For example, they have been used as inhibitors of protein-protein interactions to modulate activity, to facilitate crystallization, and as probes for cellular imaging.Phage display is a widely used approach for isolating target-specific binding reagents, and it has even been used to isolate isoform-specific binding proteins and binders that can distinguish between highly homologous protein domains.Here, we describe methods that have been employed in isolating highly specific artificial binding proteins against a wide range of target proteins.

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