| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0003723 | molecular_function | RNA binding |
| A | 0004518 | molecular_function | nuclease activity |
| A | 0004519 | molecular_function | endonuclease activity |
| A | 0004521 | molecular_function | RNA endonuclease activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0007283 | biological_process | spermatogenesis |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0030154 | biological_process | cell differentiation |
| A | 0030237 | biological_process | female sex determination |
| A | 0031047 | biological_process | regulatory ncRNA-mediated gene silencing |
| A | 0034584 | molecular_function | piRNA binding |
| A | 0034587 | biological_process | piRNA processing |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0051321 | biological_process | meiotic cell cycle |
| A | 0140965 | biological_process | secondary piRNA processing |
| A | 0140991 | biological_process | piRNA-mediated gene silencing by mRNA destabilization |
| A | 1990923 | cellular_component | PET complex |
| F | 0003677 | molecular_function | DNA binding |
| F | 0005634 | cellular_component | nucleus |
| F | 0005737 | cellular_component | cytoplasm |
| F | 0007140 | biological_process | male meiotic nuclear division |
| F | 0007283 | biological_process | spermatogenesis |
| F | 0030154 | biological_process | cell differentiation |
| F | 0031047 | biological_process | regulatory ncRNA-mediated gene silencing |
| F | 0034587 | biological_process | piRNA processing |
| F | 0043186 | cellular_component | P granule |
| F | 0043565 | molecular_function | sequence-specific DNA binding |
| F | 0045892 | biological_process | negative regulation of DNA-templated transcription |
| F | 0051321 | biological_process | meiotic cell cycle |