>sp|P0C206-2|REX_HTL1C Isoform p21Rex of Protein Rex OS=Human T-cell leukemia virus 1 (isolate Caribbea HS-35 subtype A) OX=11927 MDALSAQLYSSLSLDSPPSPPREPLRPLRSLPRQSLIQPPTFHPPSSRPCANTPPSEMDT WNPPLGSTSQPCLFQTPDSGPKTCTPSGEAPLSACTSTSFPPPSPGPSCPM