| GO | Name |
| GO:0000387 | spliceosomal snRNP assembly |
| GO:0001650 | fibrillar center |
| GO:0005634 | nucleus |
| GO:0005654 | nucleoplasm |
| GO:0005730 | nucleolus |
| GO:0008022 | protein C-terminus binding |
| GO:0015030 | Cajal body |
| GO:0016020 | membrane |
| GO:0016604 | nuclear body |
| GO:0030619 | U1 snRNA binding |
| GO:0030620 | U2 snRNA binding |
| GO:0042802 | identical protein binding |