For example, in one embodiment, the gene of {TAIL ~ interest}, e.g., human antibody genes, can be ligated into an expression vector such as {HEAD ~ a eukaryotic expression} plasmid such as used by GS gene expression system disclosed in WO 87/04462, WO 89/01036 and EP 338 841 or other expression systems well known in the art 
For example , in one embodiment , the gene of { TAIL ~ interest } , e.g. , human antibody genes , can be ligated into an expression vector such as { HEAD ~ a eukaryotic expression } plasmid such as used by GS gene expression system disclosed in WO 87/04462 , WO 89/01036 and EP 338 841 or other expression systems well known in the art
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH