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| | ilvL | IlvGMEDA operon leader peptide; Attenuator peptide; Escherichia coli K-12 ortholog: b3766. (32 aa) |
| | thrA | Bifunctional; Escherichia coli K-12 ortholog: b0002; Escherichia coli O157:H7 ortholog: z0002; bifunctional; Homoserine dehydrogenase I; In the C-terminal section; belongs to the homoserine dehydrogenase family. (841 aa) |
| | thrB | Homoserine kinase; Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily. (310 aa) |
| | thrC | Threonine synthase; Escherichia coli K-12 ortholog: b0004; Escherichia coli O157:H7 ortholog: z0004. (428 aa) |
| | dapB | Dihydrodipicolinate reductase; Catalyzes the conversion of 4-hydroxy-tetrahydrodipicolinate (HTPA) to tetrahydrodipicolinate; Belongs to the DapB family. (273 aa) |
| | carA | Carbamoyl-phosphate synthase small chain; Escherichia coli K-12 ortholog: b0032; Escherichia coli O157:H7 ortholog: z0037; Belongs to the CarA family. (391 aa) |
| | carB | Carbamoyl-phosphate synthase large chain; Escherichia coli K-12 ortholog: b0033; Escherichia coli O157:H7 ortholog: z0038. (1073 aa) |
| | folA | Dihydrofolate reductase; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis (By similarity). (204 aa) |
| | leuD | 3-isopropylmalate dehydratase small subunit; Catalyzes the isomerization between 2-isopropylmalate and 3- isopropylmalate, via the formation of 2-isopropylmaleate. Belongs to the LeuD family. LeuD type 1 subfamily. (201 aa) |
| | leuC | 3-isopropylmalate dehydratase large subunit; Catalyzes the isomerization between 2-isopropylmalate and 3- isopropylmalate, via the formation of 2-isopropylmaleate. (466 aa) |
| | leuB | 3-isopropylmalate dehydrogenase; Catalyzes the oxidation of 3-carboxy-2-hydroxy-4- methylpentanoate (3-isopropylmalate) to 3-carboxy-4-methyl-2- oxopentanoate. The product decarboxylates to 4-methyl-2 oxopentanoate. Belongs to the isocitrate and isopropylmalate dehydrogenases family. LeuB type 1 subfamily. (364 aa) |
| | leuA | 2-isopropylmalate synthase; Catalyzes the condensation of the acetyl group of acetyl-CoA with 3-methyl-2-oxobutanoate (2-oxoisovalerate) to form 3-carboxy-3- hydroxy-4-methylpentanoate (2-isopropylmalate); Belongs to the alpha-IPM synthase/homocitrate synthase family. LeuA type 1 subfamily. (537 aa) |
| | ilvI | Acetolactate synthase isozyme III large subunit; Escherichia coli K-12 ortholog: b0077; Escherichia coli O157:H7 ortholog: z0087. (604 aa) |
| | ilvH | Acetolactate synthase isozyme III small subunit; Escherichia coli K-12 ortholog: b0078; Escherichia coli O157:H7 ortholog: z0088. (173 aa) |
| | panD | Aspartate 1-decarboxylase precursor; Catalyzes the pyruvoyl-dependent decarboxylation of aspartate to produce beta-alanine. (126 aa) |
| | panC | Pantoate--beta-alanine ligase; Catalyzes the condensation of pantoate with beta-alanine in an ATP-dependent reaction via a pantoyl-adenylate intermediate. Belongs to the pantothenate synthetase family. (257 aa) |
| | panB | 3-methyl-2-oxobutanoate hydroxymethyltransferase; Catalyzes the reversible reaction in which hydroxymethyl group from 5,10-methylenetetrahydrofolate is transferred onto alpha- ketoisovalerate to form ketopantoate; Belongs to the PanB family. (264 aa) |
| | folK | 2-amino-4-hydroxy-6- hydroxymethyldihydropteridine pyrophosphokinase; Escherichia coli K-12 ortholog: b0142; Escherichia coli O157:H7 ortholog: z0153. (159 aa) |
| | pfs | MTA/SAH nucleosidase; Catalyzes the irreversible cleavage of the glycosidic bond in both 5'-methylthioadenosine (MTA) and S-adenosylhomocysteine (SAH/AdoHcy) to adenine and the corresponding thioribose, 5'- methylthioribose and S-ribosylhomocysteine, respectively. Also cleaves 5'-deoxyadenosine, a toxic by-product of radical S-adenosylmethionine (SAM) enzymes, into 5-deoxyribose and adenine. Thus, is required for in vivo function of the radical SAM enzymes biotin synthase and lipoic acid synthase, that are inhibited by 5'-deoxyadenosine accumulation. Belongs to the PNP/UDP phosphorylas [...] (232 aa) |
| | dapD | 2,3,4,5-tetrahydropyridine-2,6-dicarboxylate N-succinyltransferase; Escherichia coli K-12 ortholog: b0166; Escherichia coli O157:H7 ortholog: z0176; Belongs to the transferase hexapeptide repeat family. (274 aa) |
| | fabZ | (3R)-hydroxymyristoyl-[acyl carrier protein] dehydratase; Involved in unsaturated fatty acids biosynthesis. Catalyzes the dehydration of short chain beta-hydroxyacyl-ACPs and long chain saturated and unsaturated beta-hydroxyacyl-ACPs (By similarity). (182 aa) |
| | accA | Acetyl-coenzyme A carboxylase carboxyl transferase subunit alpha; Component of the acetyl coenzyme A carboxylase (ACC) complex. First, biotin carboxylase catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the carboxyltransferase to acetyl-CoA to form malonyl-CoA. (319 aa) |
| | yafB | 2,5-diketo-D-gluconic acid reductase B; Escherichia coli K-12 ortholog: b0207; Escherichia coli O157:H7 ortholog: z0229. (267 aa) |
| | proB | Glutamate 5-kinase; Catalyzes the transfer of a phosphate group to glutamate to form L-glutamate 5-phosphate. (380 aa) |
| | proA | Gamma-glutamyl phosphate 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) |
| | c0414 | 2,5-diketo-D-gluconic acid reductase A; Escherichia coli K-12 ortholog: b3012; Escherichia coli O157:H7 ortholog: z0374. (283 aa) |
| | c0417 | 2,5-diketo-D-gluconic acid reductase A; Escherichia coli K-12 ortholog: b3012; Escherichia coli O157:H7 ortholog: z0377. (294 aa) |
| | proC | Pyrroline-5-carboxylate reductase; Catalyzes the reduction of 1-pyrroline-5-carboxylate (PCA) to L-proline. (305 aa) |
| | aroL | Shikimate kinase II; Catalyzes the specific phosphorylation of the 3-hydroxyl group of shikimic acid using ATP as a cosubstrate. (174 aa) |
| | yajB | Hypothetical protein yajB; Converts holo-ACP to apo-ACP by hydrolytic cleavage of the phosphopantetheine prosthetic group from ACP; Belongs to the AcpH family. (212 aa) |
| | apbA | 2-dehydropantoate 2-reductase; Catalyzes the NADPH-dependent reduction of ketopantoate into pantoic acid. (303 aa) |
| | folD | FolD bifunctional protein; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (288 aa) |
| | lipA | Lipoic acid synthetase; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives. (321 aa) |
| | asnB | Asparagine synthetase B (glutamine-hydrolyzing); Escherichia coli K-12 ortholog: b0674; Escherichia coli O157:H7 ortholog: z0821. (632 aa) |
| | nadA | Quinolinate synthetase A; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate; Belongs to the quinolinate synthase A family. Type 1 subfamily. (347 aa) |
| | aroG | Phospho-2-dehydro-3-deoxyheptonate aldolase, Phe-sensitive; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (350 aa) |
| | bioA | Adenosylmethionine-8-amino-7-oxononanoate aminotransferase; Catalyzes the transfer of the alpha-amino group from S- adenosyl-L-methionine (SAM) to 7-keto-8-aminopelargonic acid (KAPA) to form 7,8-diaminopelargonic acid (DAPA). It is the only animotransferase known to utilize SAM as an amino donor; Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family. BioA subfamily. (466 aa) |
| | bioB | Biotin synthase; Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism; Belongs to the radical SAM superfamily. Biotin synthase family. (346 aa) |
| | bioF | 8-amino-7-oxononanoate synthase; Catalyzes the decarboxylative condensation of pimeloyl-[acyl- carrier protein] and L-alanine to produce 8-amino-7-oxononanoate (AON), [acyl-carrier protein], and carbon dioxide. (384 aa) |
| | bioC | Biotin synthesis protein bioC; Converts the free carboxyl group of a malonyl-thioester to its methyl ester by transfer of a methyl group from S-adenosyl-L- methionine (SAM). It allows to synthesize pimeloyl-ACP via the fatty acid synthetic pathway. (264 aa) |
| | bioD | Dethiobiotin synthetase; Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. Belongs to the dethiobiotin synthetase family. (225 aa) |
| | ybiB | Hypothetical protein ybiB; Escherichia coli K-12 ortholog: b0800; Escherichia coli O157:H7 ortholog: z1021. (320 aa) |
| | serS | Seryl-tRNA synthetase; Catalyzes the attachment of serine to tRNA(Ser). Is also able to aminoacylate tRNA(Sec) with serine, to form the misacylated tRNA L- seryl-tRNA(Sec), which will be further converted into selenocysteinyl- tRNA(Sec). (430 aa) |
| | serC | Phosphoserine aminotransferase; Catalyzes the reversible conversion of 3- phosphohydroxypyruvate to phosphoserine and of 3-hydroxy-2-oxo-4- phosphonooxybutanoate to phosphohydroxythreonine; Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. SerC subfamily. (362 aa) |
| | aroA | 3-phosphoshikimate 1-carboxyvinyltransferase; Catalyzes the transfer of the enolpyruvyl moiety of phosphoenolpyruvate (PEP) to the 5-hydroxyl of shikimate-3-phosphate (S3P) to produce enolpyruvyl shikimate-3-phosphate and inorganic phosphate. (427 aa) |
| | fabA | 3-hydroxydecanoyl-[acyl-carrier-protein] dehydratase; Necessary for the introduction of cis unsaturation into fatty acids. Catalyzes the dehydration of (3R)-3-hydroxydecanoyl-ACP to E- (2)-decenoyl-ACP and then its isomerization to Z-(3)-decenoyl-ACP. Can catalyze the dehydratase reaction for beta-hydroxyacyl-ACPs with saturated chain lengths up to 16:0, being most active on intermediate chain length (By similarity). (208 aa) |
| | putA | PutA protein; Oxidizes proline to glutamate for use as a carbon and nitrogen source; Belongs to the aldehyde dehydrogenase family. In the N-terminal section; belongs to the proline dehydrogenase family. (1342 aa) |
| | c1186 | Putative beta-ketoacyl-ACP synthase; Escherichia coli O157:H7 ortholog: z4866; Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP synthases family. (409 aa) |
| | c1189 | Putative 3-oxoacyl-[ACP] synthase; Escherichia coli O157:H7 ortholog: z4863; Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP synthases family. (392 aa) |
| | acpP-2 | Putative acyl carrier protein; Carrier of the growing fatty acid chain in fatty acid biosynthesis; Belongs to the acyl carrier protein (ACP) family. (83 aa) |
| | c1220 | Phospho-2-dehydro-3-deoxyheptonate aldolase, Trp-sensitive; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (358 aa) |
| | htrB | Lipid A biosynthesis lauroyl acyltransferase; Catalyzes the transfer of laurate from lauroyl-acyl carrier protein (ACP) to Kdo(2)-lipid IV(A) to form Kdo(2)-(lauroyl)-lipid IV(A). (327 aa) |
| | plsX | Fatty acid/phospholipid synthesis protein plsX; Catalyzes the reversible formation of acyl-phosphate (acyl- PO(4)) from acyl-[acyl-carrier-protein] (acyl-ACP). This enzyme utilizes acyl-ACP as fatty acyl donor, but not acyl-CoA. (356 aa) |
| | fabH | 3-oxoacyl-[acyl-carrier-protein] synthase III; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids. (317 aa) |
| | fabD | Malonyl CoA-acyl carrier protein transacylase; Escherichia coli K-12 ortholog: b1092; Escherichia coli O157:H7 ortholog: z1731; Belongs to the FabD family. (309 aa) |
| | acpP | Acyl carrier protein; Carrier of the growing fatty acid chain in fatty acid biosynthesis; Belongs to the acyl carrier protein (ACP) family. (78 aa) |
| | fabF | 3-oxoacyl-[acyl-carrier-protein] synthase II; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Has a preference for short chain acid substrates and may function to supply the octanoic substrates for lipoic acid biosynthesis (By similarity); Belongs to the thiolase-like superfamily. Beta-ketoacyl-ACP synthases family. (413 aa) |
| | pabC | 4-amino-4-deoxychorismate lyase; Escherichia coli K-12 ortholog: b1096; Escherichia coli O157:H7 ortholog: z1735. (260 aa) |
| | kdsA | 2-dehydro-3-deoxyphosphooctonate aldolase; Escherichia coli K-12 ortholog: b1215; Escherichia coli O157:H7 ortholog: z1986; Belongs to the KdsA family. (284 aa) |
| | c1689 | Hypothetical protein; Residues 176 to 347 of 347 are 80.81 pct identical to residues 4 to 175 of 175 from GenPept.129 : >emb|CAA21325.1| (AL031866) ORF3, len: 175 aa,similar to C-terminal end of XCU70053_2 Xanthomonas campestris gumO (435 aa), possible frameshift, this ORF is the prolongation of ORF 4 also similar to XCU70053_2. Fasta score: opt: 367, E(): 1.8e-17 39.5%identity in 172 aa overlap [Yersinia pestis]. (347 aa) |
| | trpA | Tryptophan synthase alpha chain; The alpha subunit is responsible for the aldol cleavage of indoleglycerol phosphate to indole and glyceraldehyde 3-phosphate. Belongs to the TrpA family. (268 aa) |
| | trpB | Tryptophan synthase beta chain; The beta subunit is responsible for the synthesis of L- tryptophan from indole and L-serine. (397 aa) |
| | trpD | Anthranilate synthase component II; Catalyzes the transfer of the phosphoribosyl group of 5- phosphorylribose-1-pyrophosphate (PRPP) to anthranilate to yield N-(5'- phosphoribosyl)-anthranilate (PRA). (531 aa) |
| | trpE | Anthranilate synthase component I; Escherichia coli K-12 ortholog: b1264; Escherichia coli O157:H7 ortholog: z2546. (520 aa) |
| | cysB | Cys regulon transcriptional activator; This protein is a positive regulator of gene expression for the cysteine regulon. The inducer for CysB is N-acetylserine (By similarity). (324 aa) |
| | fabI | Enoyl-[acyl-carrier-protein] reductase (NADH); Escherichia coli K-12 ortholog: b1288; Escherichia coli O157:H7 ortholog: z2512. (262 aa) |
| | ynfK | Putative dethiobiotin synthetase; Catalyzes a mechanistically unusual reaction, the ATP- dependent insertion of CO2 between the N7 and N8 nitrogen atoms of 7,8- diaminopelargonic acid (DAPA) to form an ureido ring. Belongs to the dethiobiotin synthetase family. (235 aa) |
| | cfa | Cyclopropane-fatty-acyl-phospholipid synthase; Transfers a methylene group from S-adenosyl-L-methionine to the cis double bond of an unsaturated fatty acid chain resulting in the replacement of the double bond with a methylene bridge; Belongs to the CFA/CMAS family. (382 aa) |
| | ydiB | Hypothetical shikimate 5-dehydrogenase-like protein ydiB; The actual biological function of YdiB remains unclear, nor is it known whether 3-dehydroshikimate or quinate represents the natural substrate. Catalyzes the reversible NAD-dependent reduction of both 3-dehydroshikimate (DHSA) and 3-dehydroquinate to yield shikimate (SA) and quinate, respectively. It can use both NAD or NADP for catalysis, however it has higher catalytic efficiency with NAD. (288 aa) |
| | aroD | 3-dehydroquinate dehydratase; Involved in the third step of the chorismate pathway, which leads to the biosynthesis of aromatic amino acids. Catalyzes the cis- dehydration of 3-dehydroquinate (DHQ) and introduces the first double bond of the aromatic ring to yield 3-dehydroshikimate. Belongs to the type-I 3-dehydroquinase family. (252 aa) |
| | aroH | Phospho-2-dehydro-3-deoxyheptonate aldolase, Trp-sensitive; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (348 aa) |
| | cstC | Succinylornithine transaminase; Catalyzes the transamination of N(2)-succinylornithine and alpha-ketoglutarate into N(2)-succinylglutamate semialdehyde and glutamate. Can also act as an acetylornithine aminotransferase. Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family. AstC subfamily. (406 aa) |
| | selD | Selenide,water dikinase; Synthesizes selenophosphate from selenide and ATP. (349 aa) |
| | msbB | Lipid A biosynthesis (KDO)2-(lauroyl)-lipid IVA acyltransferase; Catalyzes the transfer of myristate from myristoyl-acyl carrier protein (ACP) to Kdo(2)-(lauroyl)-lipid IV(A) to form Kdo(2)- lipid A. (323 aa) |
| | ntpA | dATP pyrophosphohydrolase; Escherichia coli K-12 ortholog: b1865; Escherichia coli O157:H7 ortholog: z2917. (147 aa) |
| | c2427 | Putative peptide/polyketide synthetase protein; Similar to the N-terminus of the synthetase for the yersiniabactin siderophore [Yersinia enterocolitica]; Residues 5 to 721 of 731 are 99.72 pct identical to residues 1 to 717 of 3163 from GenPept.129 : >emb|CAC90726.1| (AJ414150) yersiniabactin biosynthetic protein [Yersinia pestis]. (731 aa) |
| | c2470 | Putative peptide/polyketide synthase; Residues 527 to 1874 of 1875 are 32.28 pct identical to residues 47 to 1483 of 2632 from GenPept.129 : >dbj|BAB12213.1| (AB032549) peptide synthetase and polyketide synthase [Microcystis aeruginosa]. (1875 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 (By similarity). (299 aa) |
| | hisD | Histidinol dehydrogenase; Catalyzes the sequential NAD-dependent oxidations of L- histidinol to L-histidinaldehyde and then to L-histidine. (437 aa) |
| | hisC | Histidinol-phosphate aminotransferase; Escherichia coli K-12 ortholog: b2021; Escherichia coli O157:H7 ortholog: z3183; Belongs to the class-II pyridoxal-phosphate-dependent aminotransferase family. Histidinol-phosphate aminotransferase subfamily. (356 aa) |
| | hisB | Histidine biosynthesis bifunctional protein hisB; Escherichia coli K-12 ortholog: b2022; Escherichia coli O157:H7 ortholog: z3184; bifunctional; Histidinol-phosphatase; Imidazoleglycerol-phosphate dehydratase; In the C-terminal section; belongs to the imidazoleglycerol-phosphate dehydratase family. (356 aa) |
| | hisH | Imidazole glycerol phosphate synthase subunit hisH; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisH subunit catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the synthesis of IGP and AICAR. The resulting ammonia molecule is channeled to the active site of HisF (By similarity). (196 aa) |
| | hisA | 1-(5-phosphoribosyl)-5-[(5- phosphoribosylamino)methylideneamino] imidazole-4-carboxamide isomerase; Escherichia coli K-12 ortholog: b2024; Escherichia coli O157:H7 ortholog: z3186; Belongs to the HisA/HisF family. (246 aa) |
| | hisF | Imidazole glycerol phosphate synthase subunit hisF; IGPS catalyzes the conversion of PRFAR and glutamine to IGP, AICAR and glutamate. The HisF subunit catalyzes the cyclization activity that produces IGP and AICAR from PRFAR using the ammonia provided by the HisH subunit. (258 aa) |
| | hisI | Histidine biosynthesis bifunctional protein hisIE; Escherichia coli K-12 ortholog: b2026; Escherichia coli O157:H7 ortholog: z3188; bifunctional; Phosphoribosyl-AMP cyclohydrolase; Phosphoribosyl-ATP pyrophosphatase; In the C-terminal section; belongs to the PRA-PH family. (203 aa) |
| | ugd | UDP-glucose 6-dehydrogenase; Escherichia coli K-12 ortholog: b2028; Escherichia coli O157:H7 ortholog: z3190; Belongs to the UDP-glucose/GDP-mannose dehydrogenase family. (388 aa) |
| | wcaB | Putative colanic acid biosynthesis acetyltransferase wcaB; Escherichia coli K-12 ortholog: b2058; Escherichia coli O157:H7 ortholog: z3222; Belongs to the transferase hexapeptide repeat family. (162 aa) |
| | alaA | Probable aminotransferase yfbQ; Involved in the biosynthesis of alanine. (405 aa) |
| | folC | FolC bifunctional protein; Functions in two distinct reactions of the de novo folate biosynthetic pathway. Catalyzes the addition of a glutamate residue to dihydropteroate (7,8-dihydropteroate or H2Pte) to form dihydrofolate (7,8-dihydrofolate monoglutamate or H2Pte-Glu). Also catalyzes successive additions of L-glutamate to tetrahydrofolate or 10- formyltetrahydrofolate or 5,10-methylenetetrahydrofolate, leading to folylpolyglutamate derivatives. (422 aa) |
| | accD | Acetyl-coenzyme A carboxylase carboxyl transferase subunit beta; Component of the acetyl coenzyme A carboxylase (ACC) complex. Biotin carboxylase (BC) catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the transcarboxylase to acetyl-CoA to form malonyl-CoA; Belongs to the AccD/PCCB family. (332 aa) |
| | usg | USG-1 protein; Escherichia coli K-12 ortholog: b2319; Escherichia coli O157:H7 ortholog: z3581; Belongs to the aspartate-semialdehyde dehydrogenase family. (337 aa) |
| | fabB | 3-oxoacyl-[acyl-carrier-protein] synthase I; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Specific for elongation from C-10 to unsaturated C-16 and C-18 fatty acids (By similarity). (406 aa) |
| | aroC | Chorismate synthase; Catalyzes the anti-1,4-elimination of the C-3 phosphate and the C-6 proR hydrogen from 5-enolpyruvylshikimate-3-phosphate (EPSP) to yield chorismate, which is the branch point compound that serves as the starting substrate for the three terminal pathways of aromatic amino acid biosynthesis. This reaction introduces a second double bond into the aromatic ring system. (362 aa) |
| | ddg | DDG protein; Catalyzes the transfer of palmitoleate from palmitoleoyl-acyl carrier protein (ACP) to Kdo(2)-lipid IV(A) to form Kdo(2)- (palmitoleoyl)-lipid IV(A); Belongs to the LpxL/LpxM/LpxP family. LpxP subfamily. (328 aa) |
| | cysZ | CysZ protein; High affinity, high specificity proton-dependent sulfate transporter, which mediates sulfate uptake. Provides the sulfur source for the cysteine synthesis pathway; Belongs to the CysZ family. (253 aa) |
| | cysK | Cysteine synthase A; Escherichia coli K-12 ortholog: b2414; Escherichia coli O157:H7 ortholog: z3680; Belongs to the cysteine synthase/cystathionine beta- synthase family. (327 aa) |
| | cysM | Cysteine synthase B; Escherichia coli K-12 ortholog: b2421; Escherichia coli O157:H7 ortholog: z3686; Belongs to the cysteine synthase/cystathionine beta- synthase family. (303 aa) |
| | dapE | Succinyl-diaminopimelate desuccinylase; Catalyzes the hydrolysis of N-succinyl-L,L-diaminopimelic acid (SDAP), forming succinate and LL-2,6-diaminoheptanedioate (DAP), an intermediate involved in the bacterial biosynthesis of lysine and meso-diaminopimelic acid, an essential component of bacterial cell walls; Belongs to the peptidase M20A family. DapE subfamily. (375 aa) |
| | dapA | Dihydrodipicolinate synthase; Catalyzes the condensation of (S)-aspartate-beta-semialdehyde [(S)-ASA] and pyruvate to 4-hydroxy-tetrahydrodipicolinate (HTPA). (298 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. (419 aa) |
| | acpS | Holo-[acyl-carrier protein] synthase; Transfers the 4'-phosphopantetheine moiety from coenzyme A to a Ser of acyl-carrier-protein; Belongs to the P-Pant transferase superfamily. AcpS family. (126 aa) |
| | pheA | P-protein; Escherichia coli K-12 ortholog: b2599; Escherichia coli O157:H7 ortholog: z3891; bifunctional; Chorismate mutase; Prephenate dehydratase. (386 aa) |
| | tyrA | T-protein; Escherichia coli K-12 ortholog: b2600; Escherichia coli O157:H7 ortholog: z3892; bifunctional; Chorismate mutase; Prephenate dehydrogenase. (373 aa) |
| | aroF | Phospho-2-dehydro-3-deoxyheptonate aldolase, Tyr-sensitive; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (379 aa) |
| | gutQ | GutQ protein; Catalyzes the reversible aldol-ketol isomerization between D- ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P). 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) (By similarity). (321 aa) |
| | cysI | Sulfite reductase [NADPH] hemoprotein beta-component; Component of the sulfite reductase complex that catalyzes the 6-electron reduction of sulfite to sulfide. This is one of several activities required for the biosynthesis of L-cysteine from sulfate. Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (570 aa) |
| | cysJ | Sulfite reductase [NADPH] flavoprotein alpha-component; Component of the sulfite reductase complex that catalyzes the 6-electron reduction of sulfite to sulfide. This is one of several activities required for the biosynthesis of L-cysteine from sulfate. The flavoprotein component catalyzes the electron flow from NADPH -> FAD -> FMN to the hemoprotein component; Belongs to the NADPH-dependent sulphite reductase flavoprotein subunit CysJ family. In the C-terminal section; belongs to the flavoprotein pyridine nucleotide cytochrome reductase family. (599 aa) |
| | argA | Amino-acid acetyltransferase; Escherichia coli K-12 ortholog: b2818; Escherichia coli O157:H7 ortholog: z4135; Belongs to the acetyltransferase family. ArgA subfamily. (465 aa) |
| | lysA | Diaminopimelate decarboxylase; Specifically catalyzes the decarboxylation of meso- diaminopimelate (meso-DAP) to L-lysine. (420 aa) |
| | serA | D-3-phosphoglycerate dehydrogenase; Catalyzes the reversible oxidation of 3-phospho-D-glycerate to 3-phosphonooxypyruvate, the first step of the phosphorylated L- serine biosynthesis pathway. Also catalyzes the reversible oxidation of 2-hydroxyglutarate to 2-oxoglutarate; Belongs to the D-isomer specific 2-hydroxyacid dehydrogenase family. (410 aa) |
| | c3746 | 2,5-diketo-D-gluconic acid reductase A; Escherichia coli K-12 ortholog: b3012; Escherichia coli O157:H7 ortholog: z4365. (275 aa) |
| | ygiG | Dihydroneopterin aldolase; Catalyzes the conversion of 7,8-dihydroneopterin to 6- hydroxymethyl-7,8-dihydropterin. Can use L-threo-dihydroneopterin and D-erythro-dihydroneopterin as substrates for the formation of 6- hydroxymethyldihydropterin, but it can also catalyze the epimerization of carbon 2' of dihydroneopterin to dihydromonapterin at appreciable velocity. (123 aa) |
| | argG | Argininosuccinate synthase; Escherichia coli K-12 ortholog: b3172; Escherichia coli O157:H7 ortholog: z4534; Belongs to the argininosuccinate synthase family. Type 2 subfamily. (447 aa) |
| | folP | Dihydropteroate synthase; Catalyzes the condensation of para-aminobenzoate (pABA) with 6-hydroxymethyl-7,8-dihydropterin diphosphate (DHPt-PP) to form 7,8- dihydropteroate (H2Pte), the immediate precursor of folate derivatives. (304 aa) |
| | gltB | Glutamate synthase [NADPH] large chain precursor; Escherichia coli K-12 ortholog: b3212; Escherichia coli O157:H7 ortholog: z4576. (1522 aa) |
| | argR | Arginine repressor; Regulates arginine biosynthesis genes; Belongs to the ArgR family. (156 aa) |
| | accB | Biotin carboxyl carrier protein of acetyl-CoA carboxylase; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (156 aa) |
| | accC | Biotin carboxylase; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (462 aa) |
| | aroE | Shikimate 5-dehydrogenase; 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). (272 aa) |
| | argD | Acetylornithine aminotransferase; Involved in both the arginine and lysine biosynthetic pathways. (406 aa) |
| | gph | Phosphoglycolate phosphatase; Specifically catalyzes the dephosphorylation of 2- phosphoglycolate. 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) |
| | aroB | 3-dehydroquinate synthase; Catalyzes the conversion of 3-deoxy-D-arabino-heptulosonate 7-phosphate (DAHP) to dehydroquinate (DHQ); Belongs to the sugar phosphate cyclases superfamily. Dehydroquinate synthase family. (362 aa) |
| | aroK | Shikimate kinase I; Catalyzes the specific phosphorylation of the 3-hydroxyl group of shikimic acid using ATP as a cosubstrate; Belongs to the shikimate kinase family. (240 aa) |
| | bioH | BioH protein; The physiological role of BioH is to remove the methyl group introduced by BioC when the pimeloyl moiety is complete. It allows to synthesize pimeloyl-ACP via the fatty acid synthetic pathway through the hydrolysis of the ester bonds of pimeloyl-ACP esters. (256 aa) |
| | asd | Aspartate-semialdehyde dehydrogenase; Catalyzes the NADPH-dependent formation of L-aspartate- semialdehyde (L-ASA) by the reductive dephosphorylation of L-aspartyl- 4-phosphate; Belongs to the aspartate-semialdehyde dehydrogenase family. (387 aa) |
| | yhhK | Hypothetical protein yhhK; Controls both the activation and catalytic activity of PanD in a coenzyme A (CoA)-dependent fashion; Belongs to the PanZ/PanM family. (127 aa) |
| | cysE | Serine acetyltransferase; Escherichia coli K-12 ortholog: b3607; Escherichia coli O157:H7 ortholog: z5034; Belongs to the transferase hexapeptide repeat family. (273 aa) |
| | kdtA | 3-deoxy-D-manno-octulosonic-acid transferase; Involved in lipopolysaccharide (LPS) biosynthesis. Catalyzes the transfer of two 3-deoxy-D-manno-octulosonate (Kdo) residues from CMP-Kdo to lipid IV(A), the tetraacyldisaccharide-1,4'-bisphosphate precursor of lipid A. (425 aa) |
| | ilvN | Acetolactate synthase isozyme I small subunit; Escherichia coli K-12 ortholog: b3670; Escherichia coli O157:H7 ortholog: z5164; Belongs to the acetolactate synthase small subunit family. (96 aa) |
| | ilvB | Acetolactate synthase isozyme I large subunit; Escherichia coli K-12 ortholog: b3671; Escherichia coli O157:H7 ortholog: z5165. (562 aa) |
| | asnA | Aspartate--ammonia ligase; Escherichia coli K-12 ortholog: b3744; Escherichia coli O157:H7 ortholog: z5245; Belongs to the class-II aminoacyl-tRNA synthetase family. AsnA subfamily. (330 aa) |
| | ilvG | Acetohydroxy acid synthase II; Escherichia coli O157:H7 ortholog: z5279. (548 aa) |
| | ilvM | Acetolactate synthase isozyme II small subunit; Escherichia coli K-12 ortholog: b3769; Escherichia coli O157:H7 ortholog: z5280. (87 aa) |
| | ilvE | Branched-chain amino acid aminotransferase; Acts on leucine, isoleucine and valine. (309 aa) |
| | ilvD | Dihydroxy-acid dehydratase; Escherichia coli K-12 ortholog: b3771; Escherichia coli O157:H7 ortholog: z5282. (616 aa) |
| | ilvA | Threonine dehydratase biosynthetic; Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA. (515 aa) |
| | ilvC | Ketol-acid reductoisomerase; Involved in the biosynthesis of branched-chain amino acids (BCAA). Catalyzes an alkyl-migration followed by a ketol-acid reduction of (S)-2-acetolactate (S2AL) to yield (R)-2,3-dihydroxy-isovalerate. In the isomerase reaction, S2AL is rearranged via a Mg-dependent methyl migration to produce 3-hydroxy-3-methyl-2-ketobutyrate (HMKB). In the reductase reaction, this 2-ketoacid undergoes a metal-dependent reduction by NADPH to yield (R)-2,3-dihydroxy-isovalerate. (541 aa) |
| | hemD | Uroporphyrinogen-III synthase; Catalyzes cyclization of the linear tetrapyrrole, hydroxymethylbilane, to the macrocyclic uroporphyrinogen III. (246 aa) |
| | dapF | Diaminopimelate epimerase; Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L- lysine and an essential component of the bacterial peptidoglycan. (275 aa) |
| | metR | Transcriptional activator protein metR; Escherichia coli K-12 ortholog: b3828; Escherichia coli O157:H7 ortholog: z5349; Belongs to the LysR transcriptional regulatory family. (317 aa) |
| | metE | 5-methyltetrahydropteroyltriglutamate-- homocysteine methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. (753 aa) |
| | glnA | Glutamine synthetase; Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia; Belongs to the glutamine synthetase family. (469 aa) |
| | yiiD | Hypothetical protein yiiD; Escherichia coli K-12 ortholog: b3888; Escherichia coli O157:H7 ortholog: z5427. (329 aa) |
| | metJ | Met repressor; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis; Belongs to the MetJ family. (151 aa) |
| | metL | AKII-HDII protein; Bifunctional; Escherichia coli K-12 ortholog: b3940; Escherichia coli O157:H7 ortholog: z5495; bifunctional; Aspartokinase II; Homoserine dehydrogenase II; In the C-terminal section; belongs to the homoserine dehydrogenase family. (810 aa) |
| | metF | 5,10-methylenetetrahydrofolate reductase; Escherichia coli K-12 ortholog: b3941; Escherichia coli O157:H7 ortholog: z5496; Belongs to the methylenetetrahydrofolate reductase family. (296 aa) |
| | argE | Acetylornithine deacetylase; Displays a broad specificity and can also deacylate substrates such as acetylarginine, acetylhistidine or acetylglutamate semialdehyde. (396 aa) |
| | argC | N-acetyl-gamma-glutamyl-phosphate reductase; Catalyzes the NADPH-dependent reduction of N-acetyl-5- glutamyl phosphate to yield N-acetyl-L-glutamate 5-semialdehyde. Belongs to the NAGSA dehydrogenase family. Type 1 subfamily. (334 aa) |
| | argB | Acetylglutamate kinase; Catalyzes the ATP-dependent phosphorylation of N-acetyl-L- glutamate. (269 aa) |
| | argH | Argininosuccinate lyase; Escherichia coli K-12 ortholog: b3960; Escherichia coli O157:H7 ortholog: z5518. (457 aa) |
| | yijC | Hypothetical protein yijC; Represses the transcription of fabB, involved in unsaturated fatty acid (UFA) biosynthesis. By controlling UFA production, FabR directly influences the physical properties of the membrane bilayer. (234 aa) |
| | metA | Homoserine O-succinyltransferase; Transfers a succinyl group from succinyl-CoA to L-homoserine, forming succinyl-L-homoserine; Belongs to the MetA family. (309 aa) |
| | metH | 5-methyltetrahydrofolate--homocysteine methyltransferase; Catalyzes the transfer of a methyl group from methyl- cobalamin to homocysteine, yielding enzyme-bound cob(I)alamin and methionine. Subsequently, remethylates the cofactor using methyltetrahydrofolate. (1227 aa) |
| | lysC | Lysine-sensitive aspartokinase III; Escherichia coli K-12 ortholog: b4024; Escherichia coli O157:H7 ortholog: z5622; Belongs to the aspartokinase family. (449 aa) |
| | ubiC | Chorismate--pyruvate lyase; Removes the pyruvyl group from chorismate, with concomitant aromatization of the ring, to provide 4-hydroxybenzoate (4HB) for the ubiquinone pathway. (165 aa) |
| | alr | Alanine racemase, biosynthetic; Catalyzes the interconversion of L-alanine and D-alanine. Provides the D-alanine required for cell wall biosynthesis (By similarity). (359 aa) |
| | yjgF | Protein yjgF; Accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities. Involved in the isoleucine biosynthesis (By similarity); Belongs to the RutC family. (152 aa) |
| | argR-2 | Hypothetical protein; Regulates arginine biosynthesis genes. (184 aa) |
| | arcB-2 | Ornithine carbamoyltransferase chain I; Reversibly catalyzes the transfer of the carbamoyl group from carbamoyl phosphate (CP) to the N(epsilon) atom of ornithine (ORN) to produce L-citrulline; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. OTCase family. (343 aa) |
| | argI | Ornithine carbamoyltransferase chain I; Reversibly catalyzes the transfer of the carbamoyl group from carbamoyl phosphate (CP) to the N(epsilon) atom of ornithine (ORN) to produce L-citrulline; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. OTCase family. (334 aa) |
| | serB | Phosphoserine phosphatase; Escherichia coli K-12 ortholog: b4388; Escherichia coli O157:H7 ortholog: z5989. (368 aa) |
| | thrL | Thr operon leader peptide; This protein is involved in control of the biosynthesis of threonine. (21 aa) |
| | leuL | Leu operon leader peptide; Involved in control of the biosynthesis of leucine. (28 aa) |
| | trpL | Trp operon leader peptide; This protein is involved in control of the biosynthesis of tryptophan. (14 aa) |
