| Role | Gene | Name | |
|---|
| Beta-phosphoglucomutase (EC 5.4.2.6) | No genes | | |
| Cytoplasmic trehalase (EC 3.2.1.28) | No genes | | |
| Glucose/mannose:H+ symporter GlcP | No genes | | |
| Maltoporin (maltose/maltodextrin high-affinity receptor, phage lambda receptor protein) | IAI46_23050 | | |
| Maltose-6'-phosphate glucosidase (EC 3.2.1.122) | IAI46_10365 | | |
| PTS system, glucose-specific IIA component (EC 2.7.1.69) | No genes | | |
| PTS system, glucose-specific IIB component (EC 2.7.1.69) | IAI46_09830 | | |
| PTS system, glucose-specific IIC component (EC 2.7.1.69) | No genes | | |
| PTS system, trehalose-specific IIA component (EC 2.7.1.69) | No genes | | |
| PTS system, trehalose-specific IIB component (EC 2.7.1.69) | IAI46_02155 | | |
| PTS system, trehalose-specific IIC component (EC 2.7.1.69) | IAI46_02155 | | |
| Predicted trehalose ABC transporter, permease component 1, Archaea-type | No genes | | |
| Predicted trehalose ABC transporter, permease component 2, Archaea-type | No genes | | |
| Predicted trehalose ABC transporter, substrate-binding component, Archaea-type | No genes | | |
| Predicted trehalose permease, MFS family | No genes | | |
| Predicted trehalose permease, MFS family, FucP subfamily | No genes | | |
| Probable transcriptional regulator of trehalose utilization, LuxR family | No genes | | |
| Putative cytoplasmic protein clustered with trehalase | No genes | | |
| Regulator of trehalose utilization TreR, ROK family | No genes | | |
| Transcriptional regulator of trehalose utilization, LacI family | No genes | | |
| Trehalase (EC 3.2.1.28) | No genes | | |
| Trehalose 6-phosphate phosphorylase (EC 2.4.1.216) | No genes | | |
| Trehalose operon transcriptional repressor | IAI46_02220 | | |
| Trehalose phosphorylase (EC 2.4.1.64) | No genes | | |
| Trehalose synthase, nucleoside diphosphate glucose dependent | No genes | | |
| Trehalose-6-phosphate hydrolase (EC 3.2.1.93) | IAI46_02150 | | |
| Trehalose-regulated TonB-dependent outer membrane receptor | No genes | | |