| Chain | GOid | namespace | contents |
| A | 0000387 | biological_process | spliceosomal snRNP assembly |
| A | 0000388 | biological_process | spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) |
| A | 0000398 | biological_process | mRNA splicing, via spliceosome |
| A | 0003676 | molecular_function | nucleic acid binding |
| A | 0003723 | molecular_function | RNA binding |
| A | 0003729 | molecular_function | mRNA binding |
| A | 0005515 | molecular_function | protein binding |
| A | 0005634 | cellular_component | nucleus |
| A | 0005654 | cellular_component | nucleoplasm |
| A | 0005681 | cellular_component | spliceosomal complex |
| A | 0005684 | cellular_component | U2-type spliceosomal complex |
| A | 0005689 | cellular_component | U12-type spliceosomal complex |
| A | 0006397 | biological_process | mRNA processing |
| A | 0008380 | biological_process | RNA splicing |
| A | 1903241 | biological_process | U2-type prespliceosome assembly |
| B | 0000387 | biological_process | spliceosomal snRNP assembly |
| B | 0000388 | biological_process | spliceosome conformational change to release U4 (or U4atac) and U1 (or U11) |
| B | 0000398 | biological_process | mRNA splicing, via spliceosome |
| B | 0003676 | molecular_function | nucleic acid binding |
| B | 0003723 | molecular_function | RNA binding |
| B | 0003729 | molecular_function | mRNA binding |
| B | 0005515 | molecular_function | protein binding |
| B | 0005634 | cellular_component | nucleus |
| B | 0005654 | cellular_component | nucleoplasm |
| B | 0005681 | cellular_component | spliceosomal complex |
| B | 0005684 | cellular_component | U2-type spliceosomal complex |
| B | 0005689 | cellular_component | U12-type spliceosomal complex |
| B | 0006397 | biological_process | mRNA processing |
| B | 0008380 | biological_process | RNA splicing |
| B | 1903241 | biological_process | U2-type prespliceosome assembly |
| P | 0000245 | biological_process | spliceosomal complex assembly |
| P | 0003729 | molecular_function | mRNA binding |
| Q | 0000245 | biological_process | spliceosomal complex assembly |
| Q | 0003729 | molecular_function | mRNA binding |