| MF | HDA | GO:0003723 | RNA binding |
| MF | IMP | GO:0003723 | RNA binding |
| MF | IBA | GO:0003729 | mRNA binding |
| MF | IPI | GO:0005515 | protein binding |
| MF | IBA | GO:0017069 | snRNA binding |
| MF | IBA | GO:0030619 | U1 snRNA binding |
| MF | IEA | GO:1990446 | U1 snRNP binding |
| CC | IBA | GO:0000243 | commitment complex |
| CC | IDA | GO:0005634 | nucleus |
| CC | IDA | GO:0005654 | nucleoplasm |
| CC | TAS | GO:0005654 | nucleoplasm |
| CC | IDA | GO:0005681 | spliceosomal complex |
| CC | IBA | GO:0005685 | U1 snRNP |
| CC | IDA | GO:0005685 | U1 snRNP |
| CC | IEA | GO:0005737 | cytoplasm |
| CC | IEA | GO:0016607 | nuclear speck |
| CC | IBA | GO:0071004 | U2-type prespliceosome |
| BP | IBA | GO:0000398 | mRNA splicing, via spliceosome |
| BP | IC | GO:0000398 | mRNA splicing, via spliceosome |
| BP | IDA | GO:0000398 | mRNA splicing, via spliceosome |
| BP | TAS | GO:0000398 | mRNA splicing, via spliceosome |
| BP | TAS | GO:0006397 | mRNA processing |
| BP | TAS | GO:0008380 | RNA splicing |
| BP | TAS | GO:0043462 | regulation of ATPase activity |
| BP | IMP | GO:0043484 | regulation of RNA splicing |
| BP | IEA | GO:0048026 | positive regulation of mRNA splicing, via spliceosome |
| BP | TAS | GO:0061084 | negative regulation of protein refolding |
| BP | IEA | GO:0071300 | cellular response to retinoic acid |
| BP | IEA | GO:0071356 | cellular response to tumor necrosis factor |
| BP | IEA | GO:0071560 | cellular response to transforming growth factor beta stimulus |
| BP | TAS | GO:1904715 | negative regulation of chaperone-mediated autophagy |