| Chain | GOid | namespace | contents |
| A | 0000287 | molecular_function | magnesium ion binding |
| A | 0003677 | molecular_function | DNA binding |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004518 | molecular_function | nuclease activity |
| A | 0004519 | molecular_function | endonuclease activity |
| A | 0004527 | molecular_function | exonuclease activity |
| A | 0006260 | biological_process | DNA replication |
| A | 0006281 | biological_process | DNA repair |
| A | 0006974 | biological_process | DNA damage response |
| A | 0008409 | molecular_function | 5'-3' exonuclease activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0016788 | molecular_function | hydrolase activity, acting on ester bonds |
| A | 0017108 | molecular_function | 5'-flap endonuclease activity |
| A | 0043137 | biological_process | DNA replication, removal of RNA primer |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0000287 | molecular_function | magnesium ion binding |
| B | 0003677 | molecular_function | DNA binding |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004518 | molecular_function | nuclease activity |
| B | 0004519 | molecular_function | endonuclease activity |
| B | 0004527 | molecular_function | exonuclease activity |
| B | 0006260 | biological_process | DNA replication |
| B | 0006281 | biological_process | DNA repair |
| B | 0006974 | biological_process | DNA damage response |
| B | 0008409 | molecular_function | 5'-3' exonuclease activity |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0016788 | molecular_function | hydrolase activity, acting on ester bonds |
| B | 0017108 | molecular_function | 5'-flap endonuclease activity |
| B | 0043137 | biological_process | DNA replication, removal of RNA primer |
| B | 0046872 | molecular_function | metal ion binding |