| Chain | GOid | namespace | contents |
| A | 0000155 | molecular_function | phosphorelay sensor kinase activity |
| A | 0000160 | biological_process | phosphorelay signal transduction system |
| A | 0007165 | biological_process | signal transduction |
| A | 0016310 | biological_process | phosphorylation |
| A | 0016772 | molecular_function | transferase activity, transferring phosphorus-containing groups |
| B | 0000155 | molecular_function | phosphorelay sensor kinase activity |
| B | 0000160 | biological_process | phosphorelay signal transduction system |
| B | 0007165 | biological_process | signal transduction |
| B | 0016310 | biological_process | phosphorylation |
| B | 0016772 | molecular_function | transferase activity, transferring phosphorus-containing groups |