- Structure and membrane topology of the high-affinity receptor for human IFN-gamma: requirements for binding IFN-gamma. One single 90-kilodalton IFN-gamma receptor can lead to multiple cross-linked products and isolated proteins. Fountoulakis, M., Kania, M., Ozmen, L., Loetscher, H.R., Garotta, G., van Loon, A.P. J. Immunol. (1989)