in an attempt to express the small ( transmembrane ) envelope protein p21e of type 1 human t-cell leukemia ( lymphotrophic ) virus ( htlv-1 ) exclusive of other viral gene products , we have constructed a recombinant plasmid clone ( pmbe-1 ) in a bovine papillomavirus-derived mammalian expression vector .
C0017278
envelope protein
C0042776
virus