Fig. 1From: A comprehensive comparison between camelid nanobodies and single chain variable fragmentsThe differences of scFv and nanobody in structure. A conventional IgG structure, scFv structure composed of VH and VL of antibody joined with a flexible linker, the detailed structure of VH in scFv. B camel HCAb structure, nanobody that is derived from camelid VHH, the detailed structure of VHHBack to article page