Abstract

Artificial affinity maturation of antibodies is promising but often shows difficulties because the roles of each amino acid residue are not well known. To elucidate their roles in affinity against the antigen and thermal stability, interface residues in single-chain Fv of an antibody B2212A with its antigen roundabout homolog 1 were mutated and analyzed. Some amino acids played important roles in the affinity while others contributed to thermal stability.

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