| pICln-Sm protein complex |
| U7 snRNP |
| small nucleolar ribonucleoprotein complex |
| U4 snRNP |
| methylosome |
| small nuclear ribonucleoprotein complex |
| SMN-Sm protein complex |
| U1 snRNP |
| U12-type spliceosomal complex |
| histone mRNA metabolic process |
| U2-type catalytic step 2 spliceosome |
| U4/U6 x U5 tri-snRNP complex |
| termination of RNA polymerase II transcription |
| spliceosomal snRNP assembly |
| U2-type precatalytic spliceosome |
| DNA-templated transcription, termination |
| catalytic step 2 spliceosome |
| spliceosomal complex |
| import into nucleus |
| ribonucleoprotein complex assembly |
| ribonucleoprotein complex subunit organization |
| nucleocytoplasmic transport |
| nuclear transport |
| mRNA splicing, via spliceosome |
| RNA splicing, via transesterification reactions with bulged adenosine as nucleophile |
| RNA splicing, via transesterification reactions |
| RNA splicing |
| ribonucleoprotein complex biogenesis |
| mRNA processing |
| transcription by RNA polymerase II |
| transcription, DNA-templated |
| nucleic acid-templated transcription |
| RNA biosynthetic process |
| mRNA metabolic process |
| cellular protein-containing complex assembly |
| RNA processing |
| nucleobase-containing compound biosynthetic process |
| heterocycle biosynthetic process |
| aromatic compound biosynthetic process |
| organic cyclic compound biosynthetic process |
| RNA binding |
| intracellular transport |
| protein-containing complex assembly |
| cellular nitrogen compound biosynthetic process |
| RNA metabolic process |
| cellular macromolecule biosynthetic process |
| macromolecule biosynthetic process |
| establishment of localization in cell |
| protein-containing complex subunit organization |
| gene expression |