| Role | Gene | Name | Putrescine (N) | |
| | | ⨯ | |
| Alpha-N-acetylglucosaminidase (EC 3.2.1.50) | No genes | | | |
| Beta-hexosaminidase (EC 3.2.1.52) | Sama_0943 | | -0.1 | |
| Chitin binding protein | No genes | | | |
| Chitinase (EC 3.2.1.14) | No genes | | | |
| Chitobiose-specific 6-phospho-beta-glucosidase ChbF (EC 3.2.1.86) | No genes | | | |
| Chitobiose-specific regulator ChbR, AraC family | No genes | | | |
| Chitodextrinase precursor (EC 3.2.1.14) | No genes | | | |
| Glucosamine-6-phosphate deaminase (EC 3.5.99.6) | No genes | | | |
| Glucosamine-6-phosphate deaminase [isomerizing], alternative (EC 3.5.99.6) | Sama_0945 | | -0.9 | |
| N-Acetyl-D-glucosamine ABC transport system ATP-binding protein | No genes | | | |
| N-Acetyl-D-glucosamine ABC transport system, permease protein 1 | No genes | | | |
| N-Acetyl-D-glucosamine ABC transport system, permease protein 2 | No genes | | | |
| N-Acetyl-D-glucosamine ABC transport system, sugar-binding protein | No genes | | | |
| N-Acetyl-D-glucosamine permease 2, possible | No genes | | | |
| N-acetyl glucosamine transporter, NagP | Sama_0948 | | -0.4 | |
| N-acetylglucosamine kinase of eukaryotic type (EC 2.7.1.59) | Sama_0298 | | -0.2 | |
| | Sama_0944 | | -1.0 | |
| N-acetylglucosamine regulated methyl-accepting chemotaxis protein | Sama_0643 | | +0.2 | |
| | Sama_0942 | | -0.2 | |
| N-acetylglucosamine related transporter, NagX | Sama_0947 | | +0.1 | |
| N-acetylglucosamine-6-phosphate deacetylase (EC 3.5.1.25) | Sama_0946 | | -1.4 | |
| N-acetylglucosamine-6P-responsive transcriptional repressor NagC, ROK family | No genes | | | |
| N-acetylglucosamine-regulated TonB-dependent outer membrane receptor | Sama_0938 | | -0.1 | |
| N-acetylglucosamine-regulated outer membrane porin | No genes | | | |
| PTS system, N-acetylglucosamine-specific IIA component (EC 2.7.1.69) | No genes | | | |
| PTS system, N-acetylglucosamine-specific IIB component (EC 2.7.1.69) | No genes | | | |
| PTS system, N-acetylglucosamine-specific IIC component (EC 2.7.1.69) | No genes | | | |
| PTS system, chitobiose-specific IIA component (EC 2.7.1.69) | No genes | | | |
| PTS system, chitobiose-specific IIB component (EC 2.7.1.69) | No genes | | | |
| PTS system, chitobiose-specific IIC component (EC 2.7.1.69) | No genes | | | |
| Phosphatase NagD predicted to act in N-acetylglucosamine utilization subsystem | Sama_2099 | | +0.1 | |
| Predicted N-acetyl-glucosamine kinase 2, ROK family (EC 2.7.1.59) | No genes | | | |
| Predicted chitobiose ABC transport system II, permease protein 1 | No genes | | | |
| Predicted chitobiose ABC transport system II, permease protein 2 | No genes | | | |
| Predicted chitobiose ABC transport system II, sugar-binding protein | No genes | | | |
| Predicted chitobiose ABC transport system, permease protein 1 | No genes | | | |
| Predicted chitobiose ABC transport system, permease protein 2 | No genes | | | |
| Predicted chitobiose ABC transport system, sugar-binding protein | No genes | | | |
| Predicted transcriptional regulator of N-Acetylglucosamine utilization, GntR family | No genes | | | |
| Predicted transcriptional regulator of N-Acetylglucosamine utilization, LacI family | No genes | | | |
| Regulator of chitobiose utilization ChiR, ROK family | No genes | | | |
| Transcriptional regulator of chitobiose utilization cluster, AraC family | No genes | | | |
| hypothetical oxidoreductase related to N-acetylglucosamine utilization | No genes | | | |
| predicted N-acetylglucosamine kinase, glucokinase-like (EC 2.7.1.59) | No genes | | | |