| GO | Name |
| GO:0000398 | mRNA splicing, via spliceosome |
| GO:0001650 | fibrillar center |
| GO:0003723 | RNA binding |
| GO:0003724 | RNA helicase activity |
| GO:0005524 | ATP binding |
| GO:0005634 | nucleus |
| GO:0005654 | nucleoplasm |
| GO:0015030 | Cajal body |
| GO:0016020 | membrane |
| GO:0016607 | nuclear speck |
| GO:0016787 | hydrolase activity |