| Chain | GOid | namespace | contents |
| A | 0006086 | biological_process | pyruvate decarboxylation to acetyl-CoA |
| A | 0006979 | biological_process | response to oxidative stress |
| A | 0016491 | molecular_function | oxidoreductase activity |
| A | 0016903 | molecular_function | oxidoreductase activity, acting on the aldehyde or oxo group of donors |
| A | 0018491 | molecular_function | 2-oxobutyrate synthase activity |
| A | 0019164 | molecular_function | pyruvate synthase activity |
| A | 0047553 | molecular_function | 2-oxoglutarate synthase activity |
| B | 0000287 | molecular_function | magnesium ion binding |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0006086 | biological_process | pyruvate decarboxylation to acetyl-CoA |
| B | 0016491 | molecular_function | oxidoreductase activity |
| B | 0018491 | molecular_function | 2-oxobutyrate synthase activity |
| B | 0019164 | molecular_function | pyruvate synthase activity |
| B | 0030976 | molecular_function | thiamine pyrophosphate binding |
| B | 0046872 | molecular_function | metal ion binding |
| B | 0047553 | molecular_function | 2-oxoglutarate synthase activity |
| B | 0051536 | molecular_function | iron-sulfur cluster binding |
| B | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |
| C | 0006086 | biological_process | pyruvate decarboxylation to acetyl-CoA |
| C | 0006979 | biological_process | response to oxidative stress |
| C | 0016491 | molecular_function | oxidoreductase activity |
| C | 0016903 | molecular_function | oxidoreductase activity, acting on the aldehyde or oxo group of donors |
| C | 0018491 | molecular_function | 2-oxobutyrate synthase activity |
| C | 0019164 | molecular_function | pyruvate synthase activity |
| C | 0047553 | molecular_function | 2-oxoglutarate synthase activity |
| D | 0000287 | molecular_function | magnesium ion binding |
| D | 0003824 | molecular_function | catalytic activity |
| D | 0006086 | biological_process | pyruvate decarboxylation to acetyl-CoA |
| D | 0016491 | molecular_function | oxidoreductase activity |
| D | 0018491 | molecular_function | 2-oxobutyrate synthase activity |
| D | 0019164 | molecular_function | pyruvate synthase activity |
| D | 0030976 | molecular_function | thiamine pyrophosphate binding |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0047553 | molecular_function | 2-oxoglutarate synthase activity |
| D | 0051536 | molecular_function | iron-sulfur cluster binding |
| D | 0051539 | molecular_function | 4 iron, 4 sulfur cluster binding |