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Applied Biological Chemistry
Fig. 1 | Applied Biological Chemistry

Fig. 1

From: Effect of deregulation of repressor-specific carbon catabolite repression on carbon source consumption in Escherichia coli

Fig. 1

Schematic overview of pathways for carbohydrate utilization in E. coli. a Glucose catabolism in E. coli. b Galactose catabolism in E. coli. The "X" indicates deletion of the corresponding gene. Symbols and abbreviations: operators, OE and OI; promoters, P1 and P2; GLC, glucose; G6P, glucose-6-phosphate; 6PGL, 6-phosphogluconolactone; RU5P, ribulose-5-phosphate; X5P, xylulose-5-phosphate; F6P, fructose-6-phosphate; FBP, fructose-1,6-phosphate; GAP, glyceraldehyde phosphate; PYR, pyruvate; AcCoA, acetyl-CoA; PP, pentose phosphate; TCA, tricarboxylic acid; GAL, galactose; GAL1P, galactose-1-phosphate; and G1P, and glucose-1-phosphate. Gene abbreviations for enzyme encoding: galE, galactose epimerase; galT, galactose-1-phosphate uridylyltransferase; galK, galactokinase; galM, galactose mutarotase; galR, DNA-binding transcriptional repressor; galS, DNA-binding transcriptional isorepressor; pfkA, 6-phosphofructokinase I; pfkB, 6-phosphofructokinase II; and zwf, glucose-6-phosphate dehydrogenase

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