See:
Girotti, M. and Banting, G. TGN38-green fluorescent protein hybrid
proteins expressed in stably transfected eukaryotic cells provide a tool
for the real-time, in vivo study of membrane traffic pathways and suggest
a possible role for ratTGN38. J.Cell Sci. 109:2915-2926, 1996.
They got good fluorescence with both C and N terminal fusions to a golgi
targeted transmembrane protein.
