| Chain | GOid | namespace | contents |
| A | 0006790 | biological_process | sulfur compound metabolic process |
| A | 0008482 | molecular_function | sulfite oxidase activity |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0020037 | molecular_function | heme binding |
| A | 0030151 | molecular_function | molybdenum ion binding |
| A | 0043546 | molecular_function | molybdopterin cofactor binding |
| A | 0046872 | molecular_function | metal ion binding |
| B | 0006790 | biological_process | sulfur compound metabolic process |
| B | 0008482 | molecular_function | sulfite oxidase activity |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0020037 | molecular_function | heme binding |
| B | 0030151 | molecular_function | molybdenum ion binding |
| B | 0043546 | molecular_function | molybdopterin cofactor binding |
| B | 0046872 | molecular_function | metal ion binding |
| C | 0006790 | biological_process | sulfur compound metabolic process |
| C | 0008482 | molecular_function | sulfite oxidase activity |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0020037 | molecular_function | heme binding |
| C | 0030151 | molecular_function | molybdenum ion binding |
| C | 0043546 | molecular_function | molybdopterin cofactor binding |
| C | 0046872 | molecular_function | metal ion binding |
| D | 0006790 | biological_process | sulfur compound metabolic process |
| D | 0008482 | molecular_function | sulfite oxidase activity |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0020037 | molecular_function | heme binding |
| D | 0030151 | molecular_function | molybdenum ion binding |
| D | 0043546 | molecular_function | molybdopterin cofactor binding |
| D | 0046872 | molecular_function | metal ion binding |