| Role | Gene | Name | |
|---|
| 4-alpha-glucanotransferase (amylomaltase) (EC 2.4.1.25) | No genes | | |
| 4-alpha-glucanotransferase MgtA (EC 2.4.1.25) | No genes | | |
| ABC-type sugar transport system, periplasmic binding protein YcjN | No genes | | |
| Aldose 1-epimerase (EC 5.1.3.3) | SMc03798 | | |
| Alpha-amylase (EC 3.2.1.1) | No genes | | |
| Alpha-glucosidase (EC 3.2.1.20) | No genes | | |
| Beta-phosphoglucomutase (EC 5.4.2.6) | No genes | | |
| Cytoplasmic alpha-amylase (EC 3.2.1.1) | No genes | | |
| Glucoamylase (EC 3.2.1.3) | No genes | | |
| Glycogen phosphorylase (EC 2.4.1.1) | SMc04460 | | |
| Inner membrane ABC transporter permease protein YcjO | No genes | | |
| Inner membrane ABC transporter permease protein YcjP | No genes | | |
| Malto-oligosyltrehalose synthase (EC 5.4.99.15) | SM_b20574 | | |
| Maltodextrin glucosidase (EC 3.2.1.20) | SMc01532 | | |
| Maltodextrin glycosyltransferase MmtA | No genes | | |
| Maltodextrin phosphorylase (EC 2.4.1.1) | No genes | | |
| Maltodextrose utilization protein MalA | No genes | | |
| Maltoporin (maltose/maltodextrin high-affinity receptor, phage lambda receptor protein) | No genes | | |
| Maltose O-acetyltransferase (EC 2.3.1.79) | SMa0772 | | |
| Maltose oligosaccharide ABC transporter, permease protein MalF1 | No genes | | |
| Maltose oligosaccharide ABC transporter, permease protein MalG1 | No genes | | |
| Maltose oligosaccharide ABC transporter, substrate binding periplasmic protein MalE1 | No genes | | |
| Maltose operon periplasmic protein MalM | No genes | | |
| Maltose operon transcriptional repressor MalR, LacI family | SM_b20324 | | |
| Maltose phosphorylase (EC 2.4.1.8) | No genes | | |
| Maltose regulon modulator | No genes | | |
| Maltose regulon regulatory protein MalI (repressor for malXY) | No genes | | |
| Maltose-6'-phosphate glucosidase (EC 3.2.1.122) | No genes | | |
| Maltose/maltodextrin ABC transporter 2, permease protein MalF2 | No genes | | |
| Maltose/maltodextrin ABC transporter 2, permease protein MalG2 | No genes | | |
| Maltose/maltodextrin ABC transporter 2, substrate binding periplasmic protein MalE2 | No genes | | |
| Maltose/maltodextrin ABC transporter, permease protein MalF | SM_b20326 | | |
| | SM_b20659 | | |
| | SM_b21104 | | |
| | SM_b21459 | | |
| Maltose/maltodextrin ABC transporter, permease protein MalG | SM_b20327 | | |
| | SM_b20658 | | |
| | SM_b21105 | | |
| | SM_b21458 | | |
| | SMa0711 | | |
| | SMc01979 | | |
| Maltose/maltodextrin ABC transporter, substrate binding periplasmic protein MalE | SM_b20325 | | |
| | SM_b21103 | | |
| | SM_b21461 | | |
| | SM_b21595 | | |
| Maltose/maltodextrin transport ATP-binding protein MalK (EC 3.6.3.19) | SM_b20328 | | |
| | SM_b20661 | | |
| | SM_b21106 | | |
| | SM_b21152 | | |
| | SM_b21216 | | |
| | SM_b21460 | | |
| | SMc01980 | | |
| Mlc, transcriptional repressor of MalT (the transcriptional activator of maltose regulon) and manXYZ operon | No genes | | |
| Multiple sugar ABC transporter, ATP-binding protein | No genes | | |
| Neopullulanase (EC 3.2.1.135) | No genes | | |
| Oligo-1,6-glucosidase (EC 3.2.1.10) | No genes | | |
| PTS system, maltose and glucose-specific IIA component (EC 2.7.1.69) | No genes | | |
| PTS system, maltose and glucose-specific IIB component (EC 2.7.1.69) | No genes | | |
| PTS system, maltose and glucose-specific IIC component (EC 2.7.1.69) | No genes | | |
| Periplasmic alpha-amylase (EC 3.2.1.1) | No genes | | |
| Predicted glucose transporter in maltodextrin utilization gene cluster | No genes | | |
| Predicted maltose transporter MalT | No genes | | |
| Predicted maltose-specific TonB-dependent receptor | No genes | | |
| Pullulanase (EC 3.2.1.41) | No genes | | |
| Putative oxidoreductase YcjS (EC 1.-.-.-), NADH-binding | No genes | | |
| Putative sucrose phosphorylase (EC 2.4.1.7) | No genes | | |
| Sugar phosphate isomerases/epimerases family protein YcjR | No genes | | |
| Transcriptional activator of maltose regulon, MalT | SM_b20543 | | |
| | SM_b21083 | | |
| Transcriptional regulator YcjW, LacI family, possibly involved in maltodextrin utilization pathway | No genes | | |
| Transcriptional regulator of maltose utilization, LacI family | No genes | | |
| Zinc-type alcohol dehydrogenase YcjQ | No genes | | |