2KM8 RNA BINDING PROTEIN/RNA, 3' PROCESSING, RRM DOMAIN, RNA15P, HRP1P, ENHANCER ELEMENT, POSITIONING ELEMENT, RNA RECOGNITION, MRNA PROCESSING, NUCLEUS, RNA- BINDING, NONSENSE-MEDIATED MRNA DECAY, PHOSPHOPROTEIN, RNA BINDING PROTEIN-RNA COMPLEX INTERDOMAIN RRM PACKING CONTRIBUTES TO RNA RECOGNITION IN THE RNA15, HRP1, ANCHOR RNA 3' PROCESSING TERNARY COMPLEX