>tr|B4YQA8|B4YQA8_HTLV3 Rex protein OS=Human T-cell leukemia virus 3 OX=28332 GN=rex PE=4 SV=1 MPKTRKQRSRRPRNQRPSTPWPISQVSDRAFSTGTLSTFSATVYRPIGAPFLGGFVPLGY TAMPCWPRAPNIRLPGTPSMDALSAQLYNTLSLGSPPSPPKELPAPSRFSPPQLLLRPPR FLHPSSTPLKNTPPSETIASSSPWESSCQPCPSPTLGSGPKTSTPYGAAPSCVSTSISSP PP