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. 2018 Dec 12;13(12):e0208978. doi: 10.1371/journal.pone.0208978

Fig 4. Generation and characterization of VHH-Fcs with human or camelid hinges.

Fig 4

(A) Cartoon diagram illustrating the two VHH-Fc formats used with varying hinge length and composition. (B) Purified VHH-Fcs were analyzed by SDS-PAGE under non-reducing (N) and reducing (R) conditions. (C) Representative VHH-Fc SEC elution profile from a Superdex 200 column. Inset, plot of SEC elution volumes for all VHH-cFcs and VHH-hFcs. (D) Representative SPR sensorgrams showing 30 min (1800 s) dissociations of VHH-Fc fusions flowing over immobilized TcdB1751-2366 surfaces. (E) Dissociation rate comparison of VHH-Fcs with human or camelid hinges.