| GO | Name |
| GO:0000245 | spliceosomal complex assembly |
| GO:0000389 | mRNA 3'-splice site recognition |
| GO:0000398 | mRNA splicing, via spliceosome |
| GO:0003714 | transcription corepressor activity |
| GO:0003723 | RNA binding |
| GO:0003729 | mRNA binding |
| GO:0005634 | nucleus |
| GO:0005654 | nucleoplasm |
| GO:0005681 | spliceosomal complex |
| GO:0005840 | ribosome |
| GO:0008270 | zinc ion binding |
| GO:0042802 | identical protein binding |
| GO:0045131 | pre-mRNA branch point binding |
| GO:0048024 | regulation of mRNA splicing, via spliceosome |