tokens: When the high affinity hnRNP A1 binding site was inserted into the beta-globin reporter , Rev was able to increase the cytoplasmic levels of unspliced mRNAs to 14 % .
folded_tokens: when the high affinity hnrnp a1 bind site be insert into the beta-globin reporter , rev be able to increase the cytoplasmic level of unspliced mrna to 14 % .