| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P0A6V8 | Glucokinase; EC 2.7.1.2; Glucose kinase; | glk; b2388 JW2385; | NP_416889.1;YP_490630.1; | 321 | escherichia-coli |
| P31120 | Phosphoglucosamine mutase; EC 5.4.2.10; | glmM; mrsA yhbF; b3176 JW3143; | NP_417643.1;YP_491361.1; | 445 | escherichia-coli |
| P17169 | Glutamine--fructose-6-phosphate aminotransferase [isomerizing]; EC 2.6.1.16; D-fructose-6-phosphate amidotransferase; GFAT; Glucosamine-6-phosphate synthase; Hexosephosphate aminotransferase; L-glutamine--D-fructose-6-phosphate amidotransferase; | glmS; b3729 JW3707; | NP_418185.1;YP_491700.1; | 609 | escherichia-coli |
| P0ACC7 | Bifunctional protein GlmU; EC 2.3.1.157; N-acetylglucosamine-1-phosphate uridyltransferase; EC 2.7.7.23; | glmU; yieA; b3730 JW3708; | NP_418186.1;YP_491699.1; | 456 | escherichia-coli |
| P0A9C5 | Glutamine synthetase; EC 6.3.1.2; Glutamate--ammonia ligase; | glnA; b3870 JW3841; | NP_418306.1;YP_491580.1; | 469 | escherichia-coli |
| P0A9Z1 | Nitrogen regulatory protein P-II 1; | glnB; b2553 JW2537; | NP_417048.1;YP_490781.1; | 112 | escherichia-coli |
| P27249 | Bifunctional uridylyltransferase/uridylyl-removing enzyme; UTase/UR; Bifunctional [protein-PII] modification enzyme; Bifunctional nitrogen sensor protein; EC 3.1.4.-; EC 2.7.7.59; UR; UTase; PII uridylyltransferase; | glnD; b0167 JW0162; | NP_414709.1;YP_488469.1; | 890 | escherichia-coli |
| P30870 | Glutamate-ammonia-ligase adenylyltransferase; EC 2.7.7.42; Glutamine-synthetase adenylyltransferase; ATase; [Glutamate--ammonia-ligase] adenylyltransferase; | glnE; b3053 JW3025; | NP_417525.1;YP_491245.1; | 946 | escherichia-coli |
| P0AEQ3 | Glutamine-binding periplasmic protein; GlnBP; | glnH; b0811 JW0796; | NP_415332.1;YP_489084.1; | 248 | escherichia-coli |
| P0AC55 | Nitrogen regulatory protein P-II 2; | glnK; ybaI; b0450 JW0440; | NP_414984.1;YP_488742.1; | 112 | escherichia-coli |
| P0AEQ6 | Glutamine transport system permease protein GlnP; | glnP; b0810 JW0795; | NP_415331.1;YP_489083.1; | 219 | escherichia-coli |
| P10346 | Glutamine transport ATP-binding protein GlnQ; | glnQ; b0809 JW0794; | NP_415330.1;YP_489082.1; | 240 | escherichia-coli |
| P0AC84 | Hydroxyacylglutathione hydrolase; EC 3.1.2.6; Glyoxalase II; Glx II; | gloB; yafR; b0212 JW0202; | NP_414748.1;YP_488509.1; | 251 | escherichia-coli |
| P0A9C0 | Anaerobic glycerol-3-phosphate dehydrogenase subunit A; G-3-P dehydrogenase; EC 1.1.5.3; | glpA; b2241 JW2235; | NP_416744.1;YP_490480.1; | 542 | escherichia-coli |
| P13033 | Anaerobic glycerol-3-phosphate dehydrogenase subunit B; Anaerobic G-3-P dehydrogenase subunit B; Anaerobic G3Pdhase B; EC 1.1.5.3; | glpB; b2242 JW2236; | NP_416745.1;YP_490481.1; | 419 | escherichia-coli |
| P13035 | Aerobic glycerol-3-phosphate dehydrogenase; EC 1.1.5.3; | glpD; glyD; b3426 JW3389; | NP_417884.1;YP_492007.1; | 501 | escherichia-coli |
| P0A996 | Anaerobic glycerol-3-phosphate dehydrogenase subunit C; G-3-P dehydrogenase; | glpC; b2243 JW2237; | NP_416746.1;YP_490482.1; | 396 | escherichia-coli |
| P0A6V5 | Thiosulfate sulfurtransferase GlpE; EC 2.8.1.1; | glpE; b3425 JW3388; | NP_417883.1;YP_492008.1; | 108 | escherichia-coli |
| P0AER0 | Glycerol uptake facilitator protein; Aquaglyceroporin; | glpF; b3927 JW3898; | NP_418362.1;YP_491524.1; | 281 | escherichia-coli |
| P09391 | Rhomboid protease GlpG; EC 3.4.21.105; Intramembrane serine protease; | glpG; b3424 JW5687; | YP_026220.1;YP_492009.1; | 276 | escherichia-coli |
