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. 2011 Dec 12;25(2):59–66. doi: 10.1093/protein/gzr058

Fig. 3.

Fig. 3.

Functional characterization of recombinant scFvs. Complex formation between scFvs 8B9 (A), 6A5 (B) and A8 (C) and their respective cognate antigen was analyzed by SEC analysis using a Superdex 200 5/150 column (CV 3 ml). The scFv, the respective antigen and a mixture of the two were loaded to the column (in three different runs) (scFv ∼26 kD, HCV E2 ∼50 kD, BVDV E2 monomer ∼50 kD, BVDV E2 dimer ∼100 kD, complexes with antigen monomer ∼80 kD, complex with antigen dimer ∼160 kD). The peak corresponding to the free scFv in the chromatogram of the scFv-antigen complex for scFv 8B9 (A) is likely due to a molar excess of scFv used in this experiment.