| Role | Gene | Name | Fumarate (C) | |
| | | ⨯ | |
| 4-alpha-glucanotransferase (amylomaltase) (EC 2.4.1.25) | MPMX20_04303 | | -0.5 | |
| 4-alpha-glucanotransferase MgtA (EC 2.4.1.25) | No genes | | | |
| ABC-type sugar transport system, periplasmic binding protein YcjN | MPMX20_02467 | | +0.1 | |
| Aldose 1-epimerase (EC 5.1.3.3) | MPMX20_01383 | | +0.1 | |
| Alpha-amylase (EC 3.2.1.1) | No genes | | | |
| Alpha-glucosidase (EC 3.2.1.20) | MPMX20_01458 | | +0.1 | |
| Beta-phosphoglucomutase (EC 5.4.2.6) | MPMX20_02460 | | +0.1 | |
| Cytoplasmic alpha-amylase (EC 3.2.1.1) | MPMX20_02858 | | -0.1 | |
| Glucoamylase (EC 3.2.1.3) | No genes | | | |
| Glycogen phosphorylase (EC 2.4.1.1) | MPMX20_04310 | | +0.0 | |
| Inner membrane ABC transporter permease protein YcjO | MPMX20_02466 | | -0.1 | |
| Inner membrane ABC transporter permease protein YcjP | MPMX20_02465 | | -0.2 | |
| Malto-oligosyltrehalose synthase (EC 5.4.99.15) | MPMX20_02328 | | -0.2 | |
| Maltodextrin glucosidase (EC 3.2.1.20) | MPMX20_00990 | | +0.0 | |
| Maltodextrin glycosyltransferase MmtA | No genes | | | |
| Maltodextrin phosphorylase (EC 2.4.1.1) | MPMX20_04304 | | -0.1 | |
| Maltodextrose utilization protein MalA | No genes | | | |
| Maltoporin (maltose/maltodextrin high-affinity receptor, phage lambda receptor protein) | MPMX20_00049 | | -0.1 | |
| | MPMX20_00253 | | -0.1 | |
| | MPMX20_01681 | | -0.0 | |
| | MPMX20_02350 | | -0.0 | |
| | MPMX20_03735 | | -0.4 | |
| Maltose O-acetyltransferase (EC 2.3.1.79) | MPMX20_01061 | | -0.0 | |
| 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 | MPMX20_00254 | | +0.1 | |
| Maltose operon transcriptional repressor MalR, LacI family | No genes | | | |
| Maltose phosphorylase (EC 2.4.1.8) | MPMX20_02461 | | +0.1 | |
| Maltose regulon modulator | MPMX20_02016 | | +0.4 | |
| Maltose regulon regulatory protein MalI (repressor for malXY) | MPMX20_00737 | | +0.1 | |
| | MPMX20_01104 | | -1.2 | |
| | MPMX20_02018 | | -1.6 | |
| Maltose-6'-phosphate glucosidase (EC 3.2.1.122) | MPMX20_00020 | | -0.3 | |
| | MPMX20_03400 | | +0.2 | |
| 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 | MPMX20_00250 | | +0.2 | |
| | MPMX20_01676 | | -0.2 | |
| Maltose/maltodextrin ABC transporter, permease protein MalG | MPMX20_00249 | | -0.0 | |
| | MPMX20_01677 | | -0.4 | |
| Maltose/maltodextrin ABC transporter, substrate binding periplasmic protein MalE | MPMX20_00251 | | +0.3 | |
| | MPMX20_01675 | | -0.2 | |
| Maltose/maltodextrin transport ATP-binding protein MalK (EC 3.6.3.19) | MPMX20_00252 | | -0.4 | |
| | MPMX20_01674 | | -0.1 | |
| Mlc, transcriptional repressor of MalT (the transcriptional activator of maltose regulon) and manXYZ operon | MPMX20_02063 | | -3.8 | |
| Multiple sugar ABC transporter, ATP-binding protein | MPMX20_02459 | | +0.1 | |
| 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) | MPMX20_00019 | | -0.0 | |
| | MPMX20_02017 | | +0.1 | |
| | MPMX20_03647 | | +0.1 | |
| | MPMX20_04047 | | -0.1 | |
| PTS system, maltose and glucose-specific IIC component (EC 2.7.1.69) | MPMX20_00019 | | -0.0 | |
| | MPMX20_02017 | | +0.1 | |
| | MPMX20_03647 | | +0.1 | |
| | MPMX20_04047 | | -0.1 | |
| Periplasmic alpha-amylase (EC 3.2.1.1) | MPMX20_00159 | | +0.1 | |
| 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 | MPMX20_02462 | | +0.2 | |
| Putative sucrose phosphorylase (EC 2.4.1.7) | No genes | | | |
| Sugar phosphate isomerases/epimerases family protein YcjR | MPMX20_02463 | | -0.1 | |
| Transcriptional activator of maltose regulon, MalT | MPMX20_04305 | | +0.2 | |
| Transcriptional regulator YcjW, LacI family, possibly involved in maltodextrin utilization pathway | MPMX20_02457 | | -1.4 | |
| Transcriptional regulator of maltose utilization, LacI family | No genes | | | |
| Zinc-type alcohol dehydrogenase YcjQ | MPMX20_02464 | | +0.1 | |