Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Glucokinase; Not highly important in E.coli as glucose is transported into the cell by the PTS system already as glucose 6-phosphate.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Citrate synthase; Protein involved in tricarboxylic acid cycle and anaerobic respiration; Belongs to the citrate synthase family.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Transcriptional repressor; Regulation of the glyoxylate bypass operon (aceBAK), which encodes isocitrate lyase, malate synthase as well as isocitrate dehydrogenase kinase/phosphorylase. Glyoxylate disrupts the interaction with the promoter by favoring the inactive dimeric form. Pyruvate enhances promoter binding by stabilizing the tetrameric form.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Fermentative D-lactate dehydrogenase, NAD-dependent; Fermentative lactate dehydrogenase; Belongs to the D-isomer specific 2-hydroxyacid dehydrogenase family.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Formate acetyltransferase 1; Protein involved in anaerobic respiration and cellular amino acid catabolic process.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Pyruvate dehydrogenase, thiamine triphosphate-binding, FAD-binding; Pyruvate oxidase; Protein involved in carbohydrate catabolic process and pyruvate catabolic process; Belongs to the TPP enzyme family.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Phosphate acetyltransferase; Involved in acetate metabolism. Catalyzes the reversible interconversion of acetyl-CoA and acetyl phosphate. The direction of the overall reaction changes depending on growth conditions. On minimal medium acetyl-CoA is generated. In rich medium acetyl-CoA is converted to acetate and allowing the cell to dump the excess of acetylation potential in exchange for energy in the form of ATP. In the N-terminal section; belongs to the CobB/CobQ family.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Fused glucose-specific PTS enzymes: IIB component/IIC component; The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. The enzyme II complex composed of PtsG and Crr is involved in glucose transport. Also functions as a chemoreceptor monitoring the environment for changes in sugar concentration and an effector modulating the activity of the transcriptional repressor Mlc.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Pyruvate formate-lyase 4/2-ketobutyrate formate-lyase; Catalyzes the cleavage of 2-ketobutyrate to propionyl-CoA and formate. It can also use pyruvate as substrate. Belongs to the glycyl radical enzyme (GRE) family. PFL subfamily.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Acetate kinase A and propionate kinase 2; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction. During anaerobic growth of the organism, this enzyme is also involved in the synthesis of most of the ATP formed catabolically; Belongs to the acetokinase family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Citrate synthase; Protein involved in tricarboxylic acid cycle and anaerobic respiration; Belongs to the citrate synthase family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Fermentative D-lactate dehydrogenase, NAD-dependent; Fermentative lactate dehydrogenase; Belongs to the D-isomer specific 2-hydroxyacid dehydrogenase family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Formate acetyltransferase 1; Protein involved in anaerobic respiration and cellular amino acid catabolic process.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Pyruvate dehydrogenase, thiamine triphosphate-binding, FAD-binding; Pyruvate oxidase; Protein involved in carbohydrate catabolic process and pyruvate catabolic process; Belongs to the TPP enzyme family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Phosphate acetyltransferase; Involved in acetate metabolism. Catalyzes the reversible interconversion of acetyl-CoA and acetyl phosphate. The direction of the overall reaction changes depending on growth conditions. On minimal medium acetyl-CoA is generated. In rich medium acetyl-CoA is converted to acetate and allowing the cell to dump the excess of acetylation potential in exchange for energy in the form of ATP. In the N-terminal section; belongs to the CobB/CobQ family.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Fused glucose-specific PTS enzymes: IIB component/IIC component; The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. The enzyme II complex composed of PtsG and Crr is involved in glucose transport. Also functions as a chemoreceptor monitoring the environment for changes in sugar concentration and an effector modulating the activity of the transcriptional repressor Mlc.

Phosphate acetyltransferase; Ethanolamine utilization; homolog of Salmonella acetyl/butyryl P transferase; Protein involved in amine catabolic process.

Pyruvate formate-lyase 4/2-ketobutyrate formate-lyase; Catalyzes the cleavage of 2-ketobutyrate to propionyl-CoA and formate. It can also use pyruvate as substrate. Belongs to the glycyl radical enzyme (GRE) family. PFL subfamily.

acyl-CoA synthetase (long-chain-fatty-acid--CoA ligase); Catalyzes the esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids. Activity is the highest with fatty acid substrates of > 10 carbon atoms. Is involved in the aerobic beta- oxidative degradation of fatty acids, which allows aerobic growth of E.coli on fatty acids as a sole carbon and energy source.

Fatty acid metabolism regulon transcriptional regulator; Multifunctional regulator of fatty acid metabolism. Represses transcription of at least eight genes required for fatty acid transport and beta-oxidation including fadA, fadB, fadD, fadL and fadE. Activates transcription of at least three genes required for unsaturated fatty acid biosynthesis: fabA, fabB and iclR, the gene encoding the transcriptional regulator of the aceBAK operon encoding the glyoxylate shunt enzymes.

acyl-CoA synthetase (long-chain-fatty-acid--CoA ligase); Catalyzes the esterification, concomitant with transport, of exogenous long-chain fatty acids into metabolically active CoA thioesters for subsequent degradation or incorporation into phospholipids. Activity is the highest with fatty acid substrates of > 10 carbon atoms. Is involved in the aerobic beta- oxidative degradation of fatty acids, which allows aerobic growth of E.coli on fatty acids as a sole carbon and energy source.

Citrate synthase; Protein involved in tricarboxylic acid cycle and anaerobic respiration; Belongs to the citrate synthase family.