| Chain | GOid | namespace | contents |
| B | 0004721 | molecular_function | phosphoprotein phosphatase activity |
| B | 0004722 | molecular_function | protein serine/threonine phosphatase activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005634 | cellular_component | nucleus |
| B | 0005654 | cellular_component | nucleoplasm |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0005829 | cellular_component | cytosol |
| B | 0005847 | cellular_component | mRNA cleavage and polyadenylation specificity factor complex |
| B | 0006357 | biological_process | regulation of transcription by RNA polymerase II |
| B | 0006369 | biological_process | termination of RNA polymerase II transcription |
| B | 0006397 | biological_process | mRNA processing |
| B | 0008420 | molecular_function | RNA polymerase II CTD heptapeptide repeat phosphatase activity |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0031124 | biological_process | mRNA 3'-end processing |
| B | 0180010 | biological_process | co-transcriptional mRNA 3'-end processing, cleavage and polyadenylation pathway |
