Abstract
An important contributor to the successful generation of recombinant affinity reagents via phage display is a large and diverse library. We describe, herein, the application of Kunkel mutagenesis and rolling circle amplification (RCA) to the construction of a 1.1×1011 member library, with only 26 electroporations, and isolation of low- to sub-nanomolar monobodies to a number of protein targets, including human COP9 signalosome subunit 5 (COPS5), HIV-1 Rev. binding protein-like protein (HRBL), X-ray repair cross-complementing 5/6 (Ku70/80) heterodimer, the receptor-binding domain (RBD) of SARS-CoV-2, and transforming growth factor beta 1 (TGF-β1).
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