- Function and glycosylation of plant-derived antiviral monoclonal antibody. Ko, K., Tekoah, Y., Rudd, P.M., Harvey, D.J., Dwek, R.A., Spitsin, S., Hanlon, C.A., Rupprecht, C., Dietzschold, B., Golovkin, M., Koprowski, H. Proc. Natl. Acad. Sci. U.S.A. (2003)