| Chain | GOid | namespace | contents |
| 2m | 0000104 | molecular_function | succinate dehydrogenase activity |
| 2m | 0000166 | molecular_function | nucleotide binding |
| 2m | 0005743 | cellular_component | mitochondrial inner membrane |
| 2m | 0006099 | biological_process | tricarboxylic acid cycle |
| 2m | 0006121 | biological_process | mitochondrial electron transport, succinate to ubiquinone |
| 2m | 0008177 | molecular_function | succinate dehydrogenase (quinone) activity |
| 2m | 0009055 | molecular_function | electron transfer activity |
| 2m | 0016020 | cellular_component | membrane |
| 2m | 0016491 | molecular_function | oxidoreductase activity |
| 2m | 0050660 | molecular_function | flavin adenine dinucleotide binding |
| 2n | 0005743 | cellular_component | mitochondrial inner membrane |
| 2n | 0006099 | biological_process | tricarboxylic acid cycle |
| 2n | 0008177 | molecular_function | succinate dehydrogenase (quinone) activity |
| 2n | 0009060 | biological_process | aerobic respiration |
| 2n | 0016491 | molecular_function | oxidoreductase activity |
| 2n | 0022904 | biological_process | respiratory electron transport chain |
| 2n | 0046872 | molecular_function | metal ion binding |
| 2n | 0051536 | molecular_function | iron-sulfur cluster binding |
| 2n | 0051537 | molecular_function | 2 iron, 2 sulfur cluster binding |
| 2n | 0051538 | molecular_function | 3 iron, 4 sulfur cluster binding |
| 2n | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |