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serB | 3-phosphoserine phosphatase; Catalyzes the dephosphorylation of phosphoserine (P-Ser). Also catalyzes the hydrolysis of phosphothreonine (P-Thr). Belongs to the HAD-like hydrolase superfamily. SerB family. (322 aa) | ||||
ytjC | Phosphatase; Phosphoglyceromutase 2; Protein involved in glycolysis and gluconeogenesis; Belongs to the phosphoglycerate mutase family. GpmB subfamily. (215 aa) | ||||
metC | Cystathionine beta-lyase, PLP-dependent; Primarily catalyzes the cleavage of cystathionine to homocysteine, pyruvate and ammonia during methionine biosynthesis. Also exhibits cysteine desulfhydrase activity, producing sulfide from cysteine. In addition, under certain growth conditions, exhibits significant alanine racemase coactivity. (395 aa) | ||||
thrA | Bifunctional: aspartokinase I (N-terminal); homoserine dehydrogenase I (C-terminal); Protein involved in threonine biosynthetic process, methionine biosynthetic process and homoserine biosynthetic process. (820 aa) | ||||
carB | Carbamoyl-phosphate synthase large subunit; Protein involved in arginine biosynthetic process and pyrimidine nucleotide biosynthetic process; Belongs to the CarB family. (1073 aa) | ||||
proB | Gamma-glutamate kinase; Catalyzes the transfer of a phosphate group to glutamate to form L-glutamate 5-phosphate. (367 aa) | ||||
proA | Gamma-glutamylphosphate reductase; Catalyzes the NADPH-dependent reduction of L-glutamate 5- phosphate into L-glutamate 5-semialdehyde and phosphate. The product spontaneously undergoes cyclization to form 1-pyrroline-5-carboxylate. Belongs to the gamma-glutamyl phosphate reductase family. (417 aa) | ||||
lacZ | beta-D-galactosidase; Protein involved in carbohydrate catabolic process; Belongs to the glycosyl hydrolase 2 family. (1024 aa) | ||||
entD | Phosphopantetheinyltransferase component of enterobactin synthase multienzyme complex; Involved in the biosynthesis of the siderophore enterobactin (enterochelin), which is a macrocyclic trimeric lactone of N-(2,3- dihydroxybenzoyl)-serine. The serine trilactone serves as a scaffolding for the three catechol functionalities that provide hexadentate coordination for the tightly ligated iron(2+) atoms. Plays an essential role in the assembly of the enterobactin by catalyzing the transfer of the 4'-phosphopantetheine (Ppant) moiety from coenzyme A to the apo- domains of both EntB (ArCP do [...] (206 aa) | ||||
ptsG | 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. (477 aa) | ||||
malY | PLP-dependent beta-cystathionase and maltose regulon regulator; Acts as a beta-cystathionase and as a repressor of the maltose regulon. (390 aa) | ||||
hisL | His operon leader peptide; Protein involved in histidine biosynthetic process. (16 aa) | ||||
hisG | ATP phosphoribosyltransferase; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial role in the pathway because the rate of histidine biosynthesis seems to be controlled primarily by regulation of HisG enzymatic activity. (299 aa) | ||||
hisB | Imidazoleglycerolphosphate dehydratase and histidinol-phosphate phosphatase; Protein involved in histidine biosynthetic process. (355 aa) | ||||
cysK | Cysteine synthase A, O-acetylserine sulfhydrolase A subunit; (Microbial infection) In addition to its role in cysteine synthesis, stimulates the tRNase activity of CdiA-CT from E.coli strain 536 / UPEC; stimulation does not require O-acetylserine sulfhydrylase activity. CdiA is the toxic component of a toxin-immunity protein module, which functions as a cellular contact-dependent growth inhibition (CDI) system. CDI modules allow bacteria to communicate with and inhibit the growth of closely related neighboring bacteria in a contact-dependent fashion (experiments done in strains BW25113 [...] (323 aa) | ||||
ptsH | Phosphohistidinoprotein-hexose phosphotransferase component of PTS system (Hpr); General (non sugar-specific) component 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 phosphoryl group from phosphoenolpyruvate (PEP) is transferred to the phosphoryl carrier protein HPr by enzyme I. Phospho-HPr then transfers it to the PTS EIIA domain. (85 aa) | ||||
ptsI | PEP-protein phosphotransferase of PTS system (enzyme I); General (non sugar-specific) component 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. Enzyme I transfers the phosphoryl group from phosphoenolpyruvate (PEP) to the phosphoryl carrier protein (HPr). Can also use (Z)-3-fluoro-PEP (ZFPEP), (Z)-3-methyl- PEP (ZMePEP), (Z)-3-chloro-PEP (ZClPEP) and (E)-3-chloro-PEP (EClPEP) as alte [...] (575 aa) | ||||
crr | Glucose-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 PtsG and Crr is involved in glucose transport. The non-phosphorylated EIII-Glc is an inhibitor for uptake of certain sugars such as maltose, melibiose, lactose, and glycerol. Phosphorylated EIII-Glc, however, may be an activator for adenylate cyclase. It is an im [...] (169 aa) | ||||
cysM | Cysteine synthase B (O-acetylserine sulfhydrolase B); Two cysteine synthase enzymes are found. Both catalyze the same reaction. Cysteine synthase B can also use thiosulfate in place of sulfide to give cysteine thiosulfonate as a product. (303 aa) | ||||
cysP | Thiosulfate-binding protein; Part of the ABC transporter complex CysAWTP (TC 3.A.1.6.1) involved in sulfate/thiosulfate import. This protein specifically binds thiosulfate and is involved in its transmembrane transport. (338 aa) | ||||
hisS | Histidine tRNA synthetase; Protein involved in tRNA aminoacylation for protein translation. (424 aa) | ||||
glyA | Serine hydroxymethyltransferase; Catalyzes the reversible interconversion of serine and glycine with tetrahydrofolate (THF) serving as the one-carbon carrier. This reaction serves as the major source of one-carbon groups required for the biosynthesis of purines, thymidylate, methionine, and other important biomolecules. Also exhibits THF-independent aldolase activity toward beta-hydroxyamino acids, producing glycine and aldehydes, via a retro-aldol mechanism. Thus, is able to catalyze the cleavage of allothreonine and 3-phenylserine. Also catalyzes the irreversible conversion of 5,10-m [...] (417 aa) | ||||
galR | Galactose-inducible d-galactose regulon transcriptional repressor; Repressor of the galactose operon. Binds galactose as an inducer. (343 aa) | ||||
metK | S-adenosylmethionine synthetase; Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme. Is essential for growth. (384 aa) | ||||
galP | D-galactose transporter; Uptake of galactose across the boundary membrane with the concomitant transport of protons into the cell (symport system); Belongs to the major facilitator superfamily. Sugar transporter (TC 2.A.1.1) family. (464 aa) | ||||
aroE | Dehydroshikimate reductase, NAD(P)-binding; Involved in the biosynthesis of the chorismate, which leads to the biosynthesis of aromatic amino acids. Catalyzes the reversible NADPH linked reduction of 3-dehydroshikimate (DHSA) to yield shikimate (SA). It displays no activity in the presence of NAD. (272 aa) | ||||
crp | cAMP-activated global transcription factor, mediator of catabolite repression; A global transcription regulator. Complexes with cyclic AMP (cAMP) which allosterically activates DNA binding (to consensus sequence 5'-AAATGTGATCTAGATCACATTT-3') to directly regulate the transcription of about 300 genes in about 200 operons and indirectly regulate the expression of about half the genome. There are 3 classes of CRP promoters; class I promoters have a single CRP-binding site upstream of the RNA polymerase (RNAP)-binding site, whereas in class II promoters the single CRP- and RNAP-binding site [...] (210 aa) | ||||
gph | Phosphoglycolate phosphatase; Specifically catalyzes the dephosphorylation of 2- phosphoglycolate (2P-Gly). Is involved in the dissimilation of the intracellular 2-phosphoglycolate formed during the DNA repair of 3'- phosphoglycolate ends, a major class of DNA lesions induced by oxidative stress; Belongs to the HAD-like hydrolase superfamily. CbbY/CbbZ/Gph/YieH family. (252 aa) | ||||
waaU | Lipopolysaccharide core biosynthesis; Adds the terminal N-acetyl-D-glucosamine group on the glucose(II) group of LPS. (357 aa) | ||||
tnaA | tryptophanase/L-cysteine desulfhydrase, PLP-dependent; Tryptophanase; Protein involved in cellular amino acid catabolic process; Belongs to the beta-eliminating lyase family. (471 aa) | ||||
cyaA | Adenylate cyclase; Catalyzes the formation of the second messenger cAMP from ATP. Its transcript is probably degraded by endoribonuclease LS (rnlA), decreasing cAMP levels and the negative regulator Crp-cAMP, which then induces its own transcription again. (848 aa) | ||||
ubiE | Ubiquinone/menaquinone biosynthesis C-methyltransferase UbiE; Methyltransferase required for the conversion of demethylmenaquinol (DMKH2) to menaquinol (MKH2) and the conversion of 2-polyprenyl-6-methoxy-1,4-benzoquinol (DDMQH2) to 2-polyprenyl-3- methyl-6-methoxy-1,4-benzoquinol (DMQH2). (251 aa) | ||||
glnA | Glutamine synthetase; Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. (469 aa) | ||||
metJ | Transcriptional repressor, S-adenosylmethionine-binding; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis. It is also autoregulated. (105 aa) | ||||
metB | Cystathionine gamma-synthase, PLP-dependent; Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia. (386 aa) | ||||
metL | Bifunctional aspartokinase/homoserine dehydrogenase 2; Aspartokinase II and homoserine dehydrogenase II; Protein involved in methionine biosynthetic process and homoserine biosynthetic process. (810 aa) | ||||
lysC | Lysine-sensitive aspartokinase 3; Aspartokinase III, lysine sensitive; Protein involved in lysine biosynthetic process via diaminopimelate and homoserine biosynthetic process. (449 aa) |