Amino Acid Motifs 2 Gateway vector Green Fluorescent Proteins 2 NLS 2 Nuclear Localization Signals 2 Nuclear Proteins 2 P14 2 PTREX 2 Protein Transport 2 Protozoan Proteins 2 RNA 2 RNA binding protein 2 RNA splicing 2 RNA-Binding Proteins 2 Recombinant Proteins 2 Splicing factor 2 Trypanosoma 2 Trypanosoma brucei 2 Trypanosoma cruzi 2 amino acid 2 amino acid sequence 2 article 2 carboxy terminal sequence 2 cell nucleus 2 cell protein 2 complex formation 2 controlled study 2 enzymology 2 genetic transfection 2 genetics 2