Nuclear Proteins 6 RNA 6 RNA binding protein 6 RNA splicing 6 RNA-Binding Proteins 6 Splicing factor article 6 controlled study 6 genetics 6 metabolism 6 molecular recognition 6 nuclear protein 6 unclassified drug 6 Cell Line 4 E3 ligase 4 Heat-Shock Response 4 Humans 4 Posttranslational modification 4 Protein Binding 4 RNA metabolism 4 RNA processing 4 RNA, Small Interfering 4 SUMO 1 protein 4 SUMO E3 ligase 4 SUMO protein 4 SUMO-1 Protein 4 Substrate Specificity 4 Tumor Suppressor Protein p53 4 Ubiquitin-Conjugating Enzymes 4 cell line 4