#$%^&*AU2013200798A120130307.pdf#####ABSTRACT The present invention includes compositions and methods for designing, making and using modular recombinant antibodies or fragments thereof with one half of a cohesin-dockerin pair that permits the rapid assembly of multivariant antigen conjugates. See Fig. 1WO 2008/097817 PCT/US2008/052714 Single Targeting mAb-Antigen Fusion Proteins Y Y Y Al A2 A3 Multivariable Targeting mAb-Antigen Complexes Y Y IA @A Figure 1 Figure 2