>sp|P0C207|REX_HTL1F Protein Rex OS=Human T-cell leukemia virus 1 (isolate Zaire EL subtype B) OX=39015 PE=1 SV=1 MPKTRRRPRRSQRKRPPTPWPTSQGLDRVFFSDTQSTCLETVYRATGAPSLGDYVRPVYI VTPYWPPVQSIRSPGTPSMDALSAQLYSSLSLDSPPSPPREPLRPSRSLPRRPPIQPPTF HPPSSRPCANTPPSETDTWNPPLGSTSQPCLFQTPASGPKTCTPSGEAPLSACTSTSFPP PSPGPSCPT