| Chain | GOid | namespace | contents |
| A | 0003676 | molecular_function | nucleic acid binding |
| A | 0003677 | molecular_function | DNA binding |
| A | 0004518 | molecular_function | nuclease activity |
| A | 0004519 | molecular_function | endonuclease activity |
| A | 0004527 | molecular_function | exonuclease activity |
| A | 0016787 | molecular_function | hydrolase activity |
| A | 0043571 | biological_process | maintenance of CRISPR repeat elements |
| A | 0046872 | molecular_function | metal ion binding |
| A | 0051536 | molecular_function | iron-sulfur cluster binding |
| A | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| A | 0051607 | biological_process | defense response to virus |
| A | 0099048 | biological_process | CRISPR-cas system |
| B | 0003676 | molecular_function | nucleic acid binding |
| B | 0003677 | molecular_function | DNA binding |
| B | 0004518 | molecular_function | nuclease activity |
| B | 0004519 | molecular_function | endonuclease activity |
| B | 0004527 | molecular_function | exonuclease activity |
| B | 0016787 | molecular_function | hydrolase activity |
| B | 0043571 | biological_process | maintenance of CRISPR repeat elements |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0051536 | molecular_function | iron-sulfur cluster binding |
| B | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| B | 0051607 | biological_process | defense response to virus |
| B | 0099048 | biological_process | CRISPR-cas system |
| C | 0004518 | molecular_function | nuclease activity |
| C | 0004519 | molecular_function | endonuclease activity |
| C | 0004521 | molecular_function | RNA endonuclease activity |
| C | 0016787 | molecular_function | hydrolase activity |
| C | 0043571 | biological_process | maintenance of CRISPR repeat elements |
| C | 0046872 | molecular_function | metal ion binding |
| C | 0051607 | biological_process | defense response to virus |
| D | 0004518 | molecular_function | nuclease activity |
| D | 0004519 | molecular_function | endonuclease activity |
| D | 0004521 | molecular_function | RNA endonuclease activity |
| D | 0016787 | molecular_function | hydrolase activity |
| D | 0043571 | biological_process | maintenance of CRISPR repeat elements |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0051607 | biological_process | defense response to virus |