TRANSCRIPTION/RNA, RRM DOMAIN, RBD, PROTEIN-RNA COMPLEX, TRANSCRIPTION/RNA COMPLEX, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, ACTIVATOR, ALTERNATIVE SPLICING, CYTOPLASM, MRNA PROCESSING, NUCLEUS, PHOSPHOPROTEIN, RNA-BINDING 2RQC SOLUTION STRUCTURE OF RNA-BINDING DOMAIN 3 OF CUGBP1 IN COMPLEX WITH RNA (UG)3