| Role | Gene | Name | |
| 2,5-diketo-D-gluconate reductase A (EC 1.1.1.274) | GFF3125 | | |
| 2,5-diketo-D-gluconic acid reductase B (EC 1.1.1.274) | GFF4038 | | |
| 2-Keto-D-gluconate dehydrogenase (EC 1.1.99.4), membrane-bound, cytochrome c | No genes | | |
| 2-Keto-D-gluconate dehydrogenase (EC 1.1.99.4), membrane-bound, flavoprotein | No genes | | |
| 2-Keto-D-gluconate dehydrogenase (EC 1.1.99.4), membrane-bound, gamma subunit | No genes | | |
| 2-dehydro-3-deoxygluconate kinase (EC 2.7.1.45) | GFF497 | | |
| 2-ketoaldonate reductase, broad specificity (EC 1.1.1.215) (EC 1.1.1.-) | GFF458 | | |
| 5-keto-D-gluconate 5-reductase (EC 1.1.1.69) | GFF954 | | |
| Broad-specificity glycerol dehydrogenase (EC 1.1.99.22), subunit SldA | No genes | | |
| Broad-specificity glycerol dehydrogenase (EC 1.1.99.22), subunit SldB | No genes | | |
| Gluconate 2-dehydrogenase (EC 1.1.99.3), membrane-bound, cytochrome c | No genes | | |
| Gluconate 2-dehydrogenase (EC 1.1.99.3), membrane-bound, flavoprotein | No genes | | |
| Gluconate 2-dehydrogenase (EC 1.1.99.3), membrane-bound, gamma subunit | No genes | | |
| Gluconate operon transcriptional repressor | No genes | | |
| Gluconate permease | GFF4777 | | |
| Gluconate permease, Bsu4004 homolog | No genes | | |
| Gluconate transporter family protein | No genes | | |
| Gluconate utilization system Gnt-I transcriptional repressor | GFF570 | | |
| Gluconokinase (EC 2.7.1.12) | GFF571 | | |
| | GFF956 | | |
| Glucose 1-dehydrogenase (EC 1.1.1.47) | No genes | | |
| Glucose dehydrogenase (EC 1.1.99.10), membrane-bound, cytochrome c | No genes | | |
| Glucose dehydrogenase (EC 1.1.99.10), membrane-bound, flavoprotein | No genes | | |
| Glucose dehydrogenase (EC 1.1.99.10), membrane-bound, gamma subunit | No genes | | |
| Glucose dehydrogenase, PQQ-dependent (EC 1.1.5.2) | GFF104 | | |
| | GFF742 | | |
| High-affinity gluconate transporter GntT | GFF602 | | |
| Hypothetical oxidoreductase YqhD (EC 1.1.-.-) | No genes | | |
| Hypothetical transcriptional regulator YqhC | No genes | | |
| L-idonate 5-dehydrogenase (EC 1.1.1.264) | GFF955 | | |
| L-idonate, D-gluconate, 5-keto-D-gluconate transporter | GFF953 | | |
| Low-affinity gluconate/H+ symporter GntU | GFF572 | | |
| Positive regulator of L-idonate catabolism | GFF952 | | |
| Predicted gluconate TRAP family transporter, DctM subunit | No genes | | |
| Predicted gluconate TRAP family transporter, DctP subunit | No genes | | |
| Predicted gluconate TRAP family transporter, DctQ subunit | No genes | | |