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