| Role | Gene | Name | D-Galacturonic Acid (C) | |
| | | ⨯ | |
| Aldehyde dehydrogenase A (EC 1.2.1.22) | Atu5204 | | +0.0 | |
| Alfa-L-rhamnosidase (EC 3.2.1.40) | No genes | | | |
| Alternative L-rhamnose isomerase (EC 5.3.1.14) | No genes | | | |
| Glycoside hydrolase family 2, sugar binding | No genes | | | |
| L-2,4-diketo-3-deoxyrhamnonate hydrolase | No genes | | | |
| L-2-keto-3-deoxyrhamnonate (l-KDR) aldolase | No genes | | | |
| L-2-keto-3-deoxyrhamnonate-(4)-dehydrogenase | No genes | | | |
| L-lactate dehydrogenase (EC 1.1.2.3) | Atu2318 | | -0.1 | |
| | Atu3871 | | -0.1 | |
| | Atu5335 | | N.D. | |
| L-rhamno-gamma-lactonase (EC 3.1.1.65) | No genes | | | |
| L-rhamnonate dehydratase (EC 4.2.1.90) | No genes | | | |
| L-rhamnose isomerase (EC 5.3.1.14) | No genes | | | |
| L-rhamnose isomerase (EC 5.3.1.14) | No genes | | | |
| L-rhamnose mutarotase | Atu3491 | | -0.7 | |
| | Atu3814 | | -0.1 | |
| L-rhamnose operon regulatory protein RhaS | No genes | | | |
| L-rhamnose operon transcriptional activator RhaR | No genes | | | |
| L-rhamnose-1-dehydrogenase ( EC 1.1.1.173) | No genes | | | |
| L-rhamnose-proton symporter | No genes | | | |
| Lactaldehyde dehydrogenase involved in fucose or rhamnose utilization (EC 1.2.1.22) | No genes | | | |
| Lactaldehyde reductase (EC 1.1.1.77) | No genes | | | |
| Pedicted L-rhamnose permease, NCS1 Family | No genes | | | |
| Predicted L-lactate dehydrogenase, Iron-sulfur cluster-binding subunit YkgF | No genes | | | |
| Predicted L-rhamnose ABC transporter, ATP-binding component | Atu3488 | | -0.0 | |
| Predicted L-rhamnose ABC transporter, substrate-binding component | Atu3487 | | +0.3 | |
| Predicted L-rhamnose ABC transporter, transmembrane component 1 | Atu3490 | | +0.1 | |
| Predicted L-rhamnose ABC transporter, transmembrane component 2 | Atu3489 | | +0.1 | |
| Predicted L-rhamnose mutarotase | No genes | | | |
| Predicted L-rhamnose permease RhaY | No genes | | | |
| Predicted alpha-L-rhamnosidase | No genes | | | |
| Predicted lactaldehyde dehydrogenase (EC 1.2.1.22) | Atu3485 | | -0.8 | |
| Predicted regulator of rhamnose oligosacchoride utilization, DeoR family | No genes | | | |
| Predicted rhamnogalacturonan lyase in rhamnose utilization cluster | No genes | | | |
| Predicted rhamnogalacturonide-specific TRAP-type transporter, large transmembrane component RhiC | No genes | | | |
| Predicted rhamnogalacturonide-specific TRAP-type transporter, small transmembrane component RhiB | No genes | | | |
| Predicted rhamnogalacturonide-specific TRAP-type transporter, substrate-binding component RhiA | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transporter, ATP-binding component 1 | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transport system, permease component | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transport system, permease component 2 | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transport system, substrate-binding component | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transporter, ATP-binding component 2 | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transporter, permease component 1 | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transporter, permease component 2 | No genes | | | |
| Predicted rhamnose oligosaccharide ABC transporter, substrate-binding component | No genes | | | |
| Predicted rhamnulose-1-phosphate aldolase (EC 4.1.2.19) | Atu3485 | | -0.8 | |
| Putative beta-glucuronidase | No genes | | | |
| Putative unsaturated glucuronyl hydrolase | No genes | | | |
| Rhamnogalacturonide transporter RhiT | No genes | | | |
| Rhamnogalacturonides degradation protein RhiN | Atu3128 | | +1.2 | |
| | Atu4561 | | +0.2 | |
| Rhamnulokinase (EC 2.7.1.5) | No genes | | | |
| Rhamnulokinase RhaK in alpha-proteobacteria (EC 2.7.1.5) | Atu3492 | | +0.2 | |
| Rhamnulose-1-phosphate aldolase (EC 4.1.2.19) | No genes | | | |
| Transcriptional regulator of rhamnose utilization, AraC family | No genes | | | |
| Transcriptional regulator of rhamnose utilization, DeoR family | Atu3486 | | +0.1 | |
| Transcriptional regulator of rhamnose utilization, GntR family | No genes | | | |
| Transcriptional regulator of rhamnose utilization, LacI family | No genes | | | |
| Transcriptional regulator of rhamnose utilization, LysR family | No genes | | | |
| rhamnogalacturonan acetylesterase | No genes | | | |