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yadI yadI mak mak mngR mngR mngA mngA mngB mngB ydfI ydfI manA manA yniC yniC manX manX manY manY manZ manZ gatD gatD gatB gatB gatA gatA gatZ gatZ gatY gatY fruA fruA fruK fruK fruB fruB yfbT yfbT fryA fryA ypdE ypdE ypdF ypdF fryC fryC fryB fryB srlA srlA srlE srlE srlB srlB srlD srlD srlM srlM srlR srlR srlQ srlQ ptsP ptsP cmtA cmtA cmtB cmtB agaR agaR kbaZ kbaZ agaV agaV agaS agaS kbaY kbaY agaB agaB agaC agaC agaD agaD agaI agaI ptsN ptsN npr npr mtlA mtlA mtlD mtlD mtlR mtlR frvR frvR frvX frvX frvB frvB frvA frvA fsaB fsaB frwA frwA frwC frwC frwB frwB pflD pflD pflC pflC frwD frwD
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proteins of unknown 3D structure
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yadIPutative PTS Enzyme IIA; 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. (146 aa)
makManno(fructo)kinase; Catalyzes the phosphorylation of fructose to fructose-6-P. Has also low level glucokinase activity in vitro. Is not able to phosphorylate D-ribose, D-mannitol, D-sorbitol, inositol, and L- threonine. (302 aa)
mngRTranscriptional repressor for the mannosyl-D-glycerate catabolic operon; Represses mngA and mngB. Regulates its own expression. (240 aa)
mngAFused 2-O-a-mannosyl-D-glycerate specific PTS enzymes: IIA component/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. This system is involved in mannosyl- D-glycerate transport. Also involved in thermoinduction of ompC. (658 aa)
mngBAlpha-mannosidase; May hydrolyze 6-phospho-mannosyl-D-glycerate to mannose-6- phosphate and glycerate; Belongs to the glycosyl hydrolase 38 family. (877 aa)
ydfIPutative oxidoreductase; Belongs to the mannitol dehydrogenase family. UxuB subfamily. (486 aa)
manAMannose-6-phosphate isomerase; Involved in the conversion of glucose to GDP-L-fucose, which can be converted to L-fucose, a capsular polysaccharide. (391 aa)
yniC2-deoxyglucose-6-P phosphatase; Sugar-phosphate phosphohydrolase that catalyzes the dephosphorylation of D-mannitol 1-phosphate and D-sorbitol 6-phosphate. Also catalyzes the dephosphorylation of 2- deoxyglucose 6-phosphate (2dGlu6P); this is a biologically important activity in vivo since it contributes to the elimination of this toxic compound and plays an important role in the resistance of E.coli to 2- deoxyglucose. To a lesser extent, is also able to dephosphorylate mannose 6-phosphate (Man6P), erythrose-4-phosphate, 2- deoxyribose-5-phosphate (2dRib5P), ribose-5-phosphate (Rib5P) [...] (222 aa)
manXFused mannose-specific PTS enzymes: IIA component/IIB 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 ManXYZ PTS system is involved in mannose transport. Also functions as a receptor for bacterial chemotaxis and is required for infection of the cell by bacteriophage lambda where it most likely functions as a pore for penetration of lambda DNA. (323 aa)
manYMannose-specific enzyme IIC component of PTS; 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 ManXYZ PTS system is involved in mannose transport. Also functions as a receptor for bacterial chemotaxis and is required for infection of the cell by bacteriophage lambda where it most likely functions as a pore for penetration of lambda DNA. (266 aa)
manZMannose-specific enzyme IID component of PTS; 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 ManXYZ PTS system is involved in mannose transport. Also functions as a receptor for bacterial chemotaxis and is required for infection of the cell by bacteriophage lambda where it most likely functions as a pore for penetration of lambda DNA. (283 aa)
gatDGalactitol-1-phosphate dehydrogenase, Zn-dependent and NAD(P)-binding; Converts galactitol 1-phosphate to D-tagatose 6-phosphate. Belongs to the zinc-containing alcohol dehydrogenase family. (346 aa)
gatBPTS system galactitol-specific EIIB component; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. The enzyme II complex composed of GatA, GatB and GatC is involved in galactitol transport. It can also use D-glucitol. (94 aa)
gatAGalactitol-specific enzyme IIA component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. The enzyme II complex composed of GatA, GatB and GatC is involved in galactitol transport. It can also use D-glucitol. (150 aa)
gatZD-tagatose 1,6-bisphosphate aldolase 2, subunit; Component of the tagatose-1,6-bisphosphate aldolase GatYZ that is required for full activity and stability of the Y subunit. Could have a chaperone-like function for the proper and stable folding of GatY. When expressed alone, GatZ does not show any aldolase activity. Is involved in the catabolism of galactitol. Belongs to the GatZ/KbaZ family. GatZ subfamily. (420 aa)
gatYD-tagatose 1,6-bisphosphate aldolase 2, catalytic subunit; Catalytic subunit of the tagatose-1,6-bisphosphate aldolase GatYZ, which catalyzes the reversible aldol condensation of dihydroxyacetone phosphate (DHAP or glycerone-phosphate) with glyceraldehyde 3-phosphate (G3P) to produce tagatose 1,6-bisphosphate (TBP). Requires GatZ subunit for full activity and stability. Is involved in the catabolism of galactitol. (284 aa)
fruAFused fructose-specific PTS enzymes: IIBcomponent/IIC components; 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 FruAB PTS system is involved in fructose transport. (563 aa)
fruKFructose-1-phosphate kinase; Protein involved in glycolysis; Belongs to the carbohydrate kinase PfkB family. (312 aa)
fruBFused fructose-specific PTS enzymes: IIA component/HPr 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 FruAB PTS system is involved in fructose transport. (376 aa)
yfbTSugar phosphatas; Sugar-phosphate phosphohydrolase that appears to contribute to butanol tolerance. Catalyzes the dephosphorylation of D-mannitol 1-phosphate and D-sorbitol 6-phosphate. Is also able to dephosphorylate other sugar phosphates in vitro including ribose-5-phosphate (Rib5P), 2-deoxyribose-5-phosphate, fructose-1-phosphate (Fru1P), fructose-6-phosphate (Fru6P), and glucose-6-phosphate (Glu6P). Selectively hydrolyzes beta-D-glucose-1-phosphate (bGlu1P) and has no activity with the alpha form. (216 aa)
fryAPutative PTS enzyme: Hpr, enzyme I and IIA components; Multifunctional protein that includes general (non sugar- specific) and sugar-specific components of the phosphoenolpyruvate- dependent sugar phosphotransferase system (sugar PTS). This major carbohydrate active transport system catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. The enzyme II FryABC PTS system is involved in fructose transport. (831 aa)
ypdEAminopeptidase; Has a broad aminopeptidase activity on non-blocked peptides by progressively cleaving amino acids off the peptide substrate. Aminopeptidase activity stops at the residue before the first proline in the peptide. Cannot cleave when proline is the first N-terminal residue. (345 aa)
ypdFXaa-Pro aminopeptidase; Hydrolyzes the N-terminal methionine when the next amino acid is alanine, proline or serine. The substrate preference for methionyl aminopeptidase activity is Pro > Ala > Ser. Also able to hydrolyze the Xaa-Pro peptide bond when the first amino acid is alanine, asparagine or methionine. (361 aa)
fryCPutative enzyme IIC component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. (415 aa)
fryBPutative enzyme IIB component of PTS; 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 FryABC PTS system is involved in fructose transport. (108 aa)
srlAGlucitol/sorbitol-specific enzyme IIC component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. The enzyme II complex composed of SrlA, SrlB and SrlE is involved in glucitol/sorbitol transport. It can also use D-mannitol. (187 aa)
srlEGlucitol/sorbitol-specific enzyme IIB component of PTS; 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 SrlA, SrlB and SrlE is involved in glucitol/sorbitol transport. It can also use D-mannitol. (319 aa)
srlBGlucitol/sorbitol-specific enzyme IIA component of PTS; 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 SrlA, SrlB and SrlE is involved in glucitol/sorbitol transport. It can also use D-mannitol. (123 aa)
srlDGlucitol (sorbitol)-6-phosphate dehydrogenase; Protein involved in carbohydrate catabolic process. (259 aa)
srlMSorbitol=responsive srl operon transcriptional activator; Positive regulator for glucitol operon expression. (119 aa)
srlRSorbitol-inducible srl operon transcriptional repressor; Regulator for gut (srl), glucitol operon; Protein involved in carbohydrate catabolic process, transcription and regulation of transcription, DNA-dependent. (257 aa)
srlQD-arabinose 5-phosphate isomerase; Catalyzes the reversible aldol-ketol isomerization between D- ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P). It appears that the physiological function of G-API may be to synthesize the regulatory molecule A5P, which in turn participates in the induction of the gut operon through an unknown mechanism. It is also able of sustaining the biosynthetic pathway of 3-deoxy-D-manno- octulosonate (KDO), a unique 8-carbon sugar component of lipopolysaccharides (LPSs); Belongs to the SIS family. GutQ/KpsF subfamily. (321 aa)
ptsPPEP-protein phosphotransferase enzyme I; Component of the phosphoenolpyruvate-dependent nitrogen- metabolic phosphotransferase system (nitrogen-metabolic PTS), that seems to be involved in regulating nitrogen metabolism. Enzyme I-Ntr transfers the phosphoryl group from phosphoenolpyruvate (PEP) to the phosphoryl carrier protein (NPr). Could function in the transcriptional regulation of sigma-54 dependent operons in conjunction with the NPr (PtsO) and EIIA-Ntr (PtsN) proteins. Enzyme I-Ntr is specific for NPr. (748 aa)
cmtAPutative mannitol-specific PTS IIB and IIC components; 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 CmtAB PTS system is involved in D-mannitol transport. (462 aa)
cmtBPutative mannitol-specific enzyme IIA component of PTS; 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 CmtAB PTS system is involved in D-mannitol transport. (147 aa)
agaRTranscriptional repressor of the aga regulon; Probable repressor for the aga operon for N-acetyl galactosamine transport and metabolism. (269 aa)
kbaZTagatose 6-phosphate aldolase 1, kbaZ subunit; Component of the tagatose-1,6-bisphosphate aldolase KbaYZ that is required for full activity and stability of the Y subunit. Could have a chaperone-like function for the proper and stable folding of KbaY. When expressed alone, KbaZ does not show any aldolase activity; Belongs to the GatZ/KbaZ family. KbaZ subfamily. (426 aa)
agaVN-acetylgalactosamine-specific enzyme IIB component of PTS; 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. This system is involved in N-acetylgalactosamine transport. (157 aa)
agaSPutative D-galactosamine-6-phosphate deaminase AgaS; Catalyzes the isomerization-deamination of galactosamine 6- phosphate to form tagatofuranose 6-phosphate and ammonium ion. (384 aa)
kbaYTagatose 6-phosphate aldolase 1, kbaY subunit; Catalytic subunit of the tagatose-1,6-bisphosphate aldolase KbaYZ, which catalyzes the reversible aldol condensation of dihydroxyacetone phosphate (DHAP or glycerone-phosphate) with glyceraldehyde 3-phosphate (G3P) to produce tagatose 1,6-bisphosphate (TBP). Requires KbaZ subunit for full activity and stability. (286 aa)
agaBN-acetylgalactosamine-specific enzyme IIB component of PTS; 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. This system is involved in N-acetylgalactosamine transport. (158 aa)
agaCN-acetylgalactosamine-specific enzyme IIC component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. This system is involved in N- acetylgalactosamine transport. (267 aa)
agaDN-acetylgalactosamine-specific enzyme IID component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. This system is involved in N- acetylgalactosamine transport. (263 aa)
agaIPutative galactosamine-6-phosphate isomerase; Belongs to the glucosamine/galactosamine-6-phosphate isomerase family. (251 aa)
ptsNSugar-specific enzyme IIA component of PTS; Seems to have a role in regulating nitrogen assimilation. (163 aa)
nprPhosphohistidinoprotein-hexose phosphotransferase component of N-regulated PTS system (Npr); Component of the phosphoenolpyruvate-dependent nitrogen- metabolic phosphotransferase system (nitrogen-metabolic PTS), that seems to be involved in regulating nitrogen metabolism. The phosphoryl group from phosphoenolpyruvate (PEP) is transferred to the phosphoryl carrier protein NPr by enzyme I-Ntr. Phospho-NPr then transfers it to EIIA-Ntr. Could function in the transcriptional regulation of sigma-54 dependent operons in conjunction with the NPr (PtsO) and EIIA-Ntr (PtsN) proteins. (90 aa)
mtlAMannitol-specific PTS enzyme: IIA, IIB and IIC components; 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. This system is involved in D-mannitol transport. Also able to use D-mannonic acid. (637 aa)
mtlDMannitol-1-phosphate dehydrogenase, NAD-dependent; Mannitol-1-phosphate dehydrogenase; Protein involved in carbohydrate catabolic process. (382 aa)
mtlRMannitol operon repressor; Involved in the repression of the expression of the mannitol mtlADR operon. Does not bind the operator/promoter regulatory region of this operon. Therefore, seems to belong to a new class of transcription factors in bacteria that may regulate gene expression indirectly, perhaps as a part of a larger transcriptional complex. (195 aa)
frvRPutative frv operon regulator; Could be involved in the regulation of the transcription of the FRV operon. (582 aa)
frvXPutative peptidase; Frv operon protein; Protein involved in polysaccharide catabolic process. (356 aa)
frvBPutative PTS enzyme, 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 FrvAB PTS system is involved in fructose transport. (483 aa)
frvAPutative enzyme IIA component of PTS; 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 FrvAB PTS system is involved in fructose transport. (148 aa)
fsaBFructose-6-phosphate aldolase 2; Catalyzes the reversible formation of fructose 6-phosphate from dihydroxyacetone and D-glyceraldehyde 3-phosphate via an aldolization reaction. Can utilize hydroxyacetone as an alternative donor substrate. Is also able to catalyze the direct self-aldol addition of glycolaldehyde. Is less catalytically efficient than the isozyme FsaA. Does not display transaldolase activity. (220 aa)
frwAPutative PTS enzyme: Hpr, enzyme I and II components; Multifunctional protein that includes general (non sugar- specific) and sugar-specific components of the phosphoenolpyruvate- dependent sugar phosphotransferase system (sugar PTS). This major carbohydrate active transport system catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. The enzyme II FrwABC PTS system is involved in fructose transport. (833 aa)
frwCPutative enzyme IIC component of PTS; The phosphoenolpyruvate-dependent sugar phosphotransferase system (PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitant with their translocation across the cell membrane. (359 aa)
frwBPutative enzyme IIB component of PTS; 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 FrwABC PTS system is involved in fructose transport. (106 aa)
pflDPutative glycine radical domain-containing pyruvate formate-lyase; Probably shows dehydratase activity. Belongs to the glycyl radical enzyme (GRE) family. (765 aa)
pflCPutative [formate-C-acetyltransferase 2]-activating enzyme; Activation of pyruvate formate-lyase 2 under anaerobic conditions by generation of an organic free radical, using S- adenosylmethionine and reduced flavodoxin as cosubstrates to produce 5'-deoxy-adenosine; Belongs to the organic radical-activating enzymes family. (292 aa)
frwDPutative enzyme IIB component of PTS; 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. (113 aa)
Your Current Organism:
Escherichia coli K12
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli MG1655, Escherichia coli str. K-12 substr. MG1655, Escherichia coli str. K12 substr. MG1655, Escherichia coli str. MG1655, Escherichia coli strain MG1655
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