Substantial energetic improvement with minimal structural perturbation in a high affinity mutant antibody.
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The equilibrium binding constant of 4M5.3 scFv binding to the epitope conjugate, fluorescein-biotin, was determined by a competition assay of 4M5.3 displayed on the surface of yeast with soluble 4-4-20 scFv. The affinity matured 4M5.3 scFv has a 1800-fold higher affinity than the parent 4-4-20 antibody (KD = 0.7 nM).
提供机构：
IEDB
创建时间：
2004-01-01
