>sp|P13895-1|ST_BFPYV Isoform Small t antigen of Small t antigen OS=Budgerigar fledgling disease virus OX=1891747 MASLRRLTELLCLPVTATAADIKTAYRRTALKYHPDKGGDEEKMKELNTLMEEFRETEGL RADETLEDSDPEPEESGYATFENVSVPDIDGAFFKLMKLKKCMQTYFSVNERRKQDIRPE YFELFKAFQDVPWKVLEDFFTSEMF