| Chain | GOid | namespace | contents |
| A | 0010024 | biological_process | phytochromobilin biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016636 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor |
| A | 0050620 | molecular_function | phycocyanobilin:ferredoxin oxidoreductase activity |
| A | 0050897 | molecular_function | cobalt ion binding |
| B | 0010024 | biological_process | phytochromobilin biosynthetic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016636 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor |
| B | 0050620 | molecular_function | phycocyanobilin:ferredoxin oxidoreductase activity |
| B | 0050897 | molecular_function | cobalt ion binding |