| Chain | GOid | namespace | contents |
| A | 0006783 | biological_process | heme biosynthetic process |
| A | 0006785 | biological_process | heme B biosynthetic process |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016634 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor |
| A | 0020037 | molecular_function | heme binding |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0006783 | biological_process | heme biosynthetic process |
| B | 0006785 | biological_process | heme B biosynthetic process |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0016634 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor |
| B | 0020037 | molecular_function | heme binding |
| B | 0046872 | molecular_function | metal ion binding |
| C | 0006783 | biological_process | heme biosynthetic process |
| C | 0006785 | biological_process | heme B biosynthetic process |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0016634 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor |
| C | 0020037 | molecular_function | heme binding |
| C | 0046872 | molecular_function | metal ion binding |
| D | 0006783 | biological_process | heme biosynthetic process |
| D | 0006785 | biological_process | heme B biosynthetic process |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0016634 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor |
| D | 0020037 | molecular_function | heme binding |
| D | 0046872 | molecular_function | metal ion binding |
| E | 0006783 | biological_process | heme biosynthetic process |
| E | 0006785 | biological_process | heme B biosynthetic process |
| E | 0016491 | molecular_function | oxidoreductase activity |
| E | 0016634 | molecular_function | oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor |
| E | 0020037 | molecular_function | heme binding |
| E | 0046872 | molecular_function | metal ion binding |