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| | 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) |
| | guaC | GMP reductase; Catalyzes the irreversible NADPH-dependent deamination of GMP to IMP. It functions in the conversion of nucleobase, nucleoside and nucleotide derivatives of G to A nucleotides, and in maintaining the intracellular balance of A and G nucleotides (By similarity). (347 aa) |
| | hpt | Hypoxanthine phosphoribosyltransferase; Acts preferentially on hypoxanthine; has very low activity towards guanine. Inactive towards xanthine (By similarity). Belongs to the purine/pyrimidine phosphoribosyltransferase family. (191 aa) |
| | pyrH | Uridylate kinase; Catalyzes the reversible phosphorylation of UMP to UDP. (241 aa) |
| | gpt | Xanthine-guanine phosphoribosyltransferase; Acts on guanine, xanthine and to a lesser extent hypoxanthine; Belongs to the purine/pyrimidine phosphoribosyltransferase family. XGPT subfamily. (152 aa) |
| | c0444 | Carbamate kinase-like protein yahI; Escherichia coli K-12 ortholog: b0323; Escherichia coli O157:H7 ortholog: z0412; Belongs to the carbamate kinase family. (316 aa) |
| | yahJ | Hypothetical protein yahJ; Escherichia coli K-12 ortholog: b0324; Escherichia coli O157:H7 ortholog: z0413. (460 aa) |
| | codB | Cytosine permease; Required for cytosine transport into the cell; Belongs to the purine-cytosine permease (2.A.39) family. (419 aa) |
| | codA | Cytosine deaminase; Escherichia coli K-12 ortholog: b0337; Escherichia coli O157:H7 ortholog: z0433. (432 aa) |
| | yaiE | Hypothetical protein yaiE; Catalyzes the phosphorolysis of diverse nucleosides, yielding D-ribose 1-phosphate and the respective free bases. Can use uridine, adenosine, guanosine, cytidine, thymidine, inosine and xanthosine as substrates. Also catalyzes the reverse reactions. (94 aa) |
| | apt | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. (201 aa) |
| | adk | Adenylate kinase; Catalyzes the reversible transfer of the terminal phosphate group between ATP and AMP. Plays an important role in cellular energy homeostasis and in adenine nucleotide metabolism; Belongs to the adenylate kinase family. (234 aa) |
| | gsk | Inosine-guanosine kinase; Escherichia coli K-12 ortholog: b0477; Escherichia coli O157:H7 ortholog: z0596; Belongs to the carbohydrate kinase PfkB family. (434 aa) |
| | ushA | Protein ushA precursor; Escherichia coli K-12 ortholog: b0480; Escherichia coli O157:H7 ortholog: z0599; bifunctional; UDP-sugar hydrolase; 5'-nucleotidase; Belongs to the 5'-nucleotidase family. (550 aa) |
| | purK | Phosphoribosylaminoimidazole carboxylase ATPase subunit; Catalyzes the ATP-dependent conversion of 5-aminoimidazole ribonucleotide (AIR) and HCO(3)(-) to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR). (355 aa) |
| | purE | Phosphoribosylaminoimidazole carboxylase catalytic subunit; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (178 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) |
| | pyrD | Dihydroorotate dehydrogenase; Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. (345 aa) |
| | pyrC | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate. (348 aa) |
| | tmk | Thymidylate kinase; Phosphorylation of dTMP to form dTDP in both de novo and salvage pathways of dTTP synthesis; Belongs to the thymidylate kinase family. (213 aa) |
| | purB | Adenylosuccinate lyase; Escherichia coli K-12 ortholog: b1131; Escherichia coli O157:H7 ortholog: z1860. (456 aa) |
| | purU | Formyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). (280 aa) |
| | tdk | Thymidine kinase; Phosphorylates both thymidine and deoxyuridine. (205 aa) |
| | pyrF | Orotidine 5'-phosphate decarboxylase; Catalyzes the decarboxylation of orotidine 5'-monophosphate (OMP) to uridine 5'-monophosphate (UMP); Belongs to the OMP decarboxylase family. Type 1 subfamily. (295 aa) |
| | ydgI | Putative arginine/ornithine antiporter; Catalyzes an electroneutral exchange between arginine and ornithine to allow high-efficiency energy conversion in the arginine deiminase pathway; Belongs to the amino acid-polyamine-organocation (APC) superfamily. Basic amino acid/polyamine antiporter (APA) (TC 2.A.3.2) family. (469 aa) |
| | ydgB | Hypothetical oxidoreductase ydgB; Catalyzes the reduction of dihydromonapterin to tetrahydromonapterin. Also has lower activity with dihydrofolate. (240 aa) |
| | add | Adenosine deaminase; Escherichia coli K-12 ortholog: b1623; Escherichia coli O157:H7 ortholog: z2628; Belongs to the metallo-dependent hydrolases superfamily. Adenosine and AMP deaminases family. Adenosine deaminase subfamily. (333 aa) |
| | amn | AMP nucleosidase; Catalyzes the hydrolysis of the N-glycosidic bond of AMP to form adenine and ribose 5-phosphate. Involved in regulation of AMP concentrations. (536 aa) |
| | dcd | Deoxycytidine triphosphate deaminase; Catalyzes the deamination of dCTP to dUTP. (193 aa) |
| | udk | Uridine kinase; Escherichia coli K-12 ortholog: b2066; Escherichia coli O157:H7 ortholog: z3234; Belongs to the uridine kinase family. (234 aa) |
| | cdd | Cytidine deaminase; This enzyme scavenges exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis. (294 aa) |
| | yeiT | Hypothetical oxidoreductase yeiT; Escherichia coli K-12 ortholog: b2146; Escherichia coli O157:H7 ortholog: z3401. (412 aa) |
| | yeiA | Hypothetical protein yeiA; Escherichia coli K-12 ortholog: b2147; Escherichia coli O157:H7 ortholog: z3402. (413 aa) |
| | c2681 | Hypothetical protein. (47 aa) |
| | yeiK | Hypothetical protein yeiK; Hydrolyzes cytidine or uridine to ribose and cytosine or uracil, respectively. Has a clear preference for cytidine over uridine. Strictly specific for ribonucleosides; Belongs to the IUNH family. RihB subfamily. (313 aa) |
| | nrdA | Ribonucleoside-diphosphate reductase 1 alpha chain; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. (761 aa) |
| | nrdB | Ribonucleoside-diphosphate reductase 1 beta chain; Escherichia coli K-12 ortholog: b2235; Escherichia coli O157:H7 ortholog: z3491. (376 aa) |
| | yfaE | Hypothetical ferredoxin-like protein yfaE; Escherichia coli K-12 ortholog: b2236; Escherichia coli O157:H7 ortholog: z3492. (84 aa) |
| | yfbR | Hypothetical protein yfbR; Catalyzes the strictly specific dephosphorylation of 2'- deoxyribonucleoside 5'-monophosphates. (199 aa) |
| | purF | Amidophosphoribosyltransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine; In the C-terminal section; belongs to the purine/pyrimidine phosphoribosyltransferase family. (505 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) |
| | purC | Phosphoribosylaminoimidazole-succinocarboxamide synthase; Escherichia coli K-12 ortholog: b2476; Escherichia coli O157:H7 ortholog: z3735. (240 aa) |
| | uraA | Uracil transporter; Escherichia coli K-12 ortholog: b2497; Escherichia coli O157:H7 ortholog: z3760. (443 aa) |
| | upp | Uracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. (217 aa) |
| | purM | Phosphoribosylformylglycinamidine cyclo-ligase; Escherichia coli K-12 ortholog: b2499; Escherichia coli O157:H7 ortholog: z3762; Belongs to the AIR synthase family. (345 aa) |
| | purN | Phosphoribosylglycinamide formyltransferase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. (212 aa) |
| | guaA | GMP synthase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. (525 aa) |
| | guaB | Inosine-5'-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family. (511 aa) |
| | ndk | Nucleoside diphosphate kinase; Major role in the synthesis of nucleoside triphosphates other than ATP. The ATP gamma phosphate is transferred to the NDP beta phosphate via a ping-pong mechanism, using a phosphorylated active-site intermediate; Belongs to the NDK family. (143 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) |
| | purL | Phosphoribosylformylglycinamidine synthase; Phosphoribosylformylglycinamidine synthase involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. (1295 aa) |
| | nrdH | Glutaredoxin-like protein nrdH; Electron transport system for the ribonucleotide reductase system NrdEF. (81 aa) |
| | nrdI | NrdI protein; Probably involved in ribonucleotide reductase function. (136 aa) |
| | nrdE | Ribonucleoside-diphosphate reductase 2 alpha chain; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides. (714 aa) |
| | nrdF | Ribonucleoside-diphosphate reductase 2 beta chain; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides; Belongs to the ribonucleoside diphosphate reductase small chain family. (319 aa) |
| | pyrG | CTP synthase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. (545 aa) |
| | mazG | MazG protein; Escherichia coli K-12 ortholog: b2781; Escherichia coli O157:H7 ortholog: z4096. (263 aa) |
| | ygdH | Hypothetical protein ygdH; Catalyzes the hydrolysis of the N-glycosidic bond of diverse pyrimidine and purine nucleotide 5'-monophosphates, to form ribose 5- phosphate and the corresponding free base. Can use AMP, GMP, IMP, CMP, dTMP and UMP as substrates. Cannot catalyze the reverse reactions. May contribute to nucleoside pool homeostasis by degrading excess nucleotides and feeding back the ribose moiety to catabolism. Belongs to the LOG family. (454 aa) |
| | thyA | Thymidylate synthase; Catalyzes the reductive methylation of 2'-deoxyuridine-5'- monophosphate (dUMP) to 2'-deoxythymidine-5'-monophosphate (dTMP) while utilizing 5,10-methylenetetrahydrofolate (mTHF) as the methyl donor and reductant in the reaction, yielding dihydrofolate (DHF) as a by- product. This enzymatic reaction provides an intracellular de novo source of dTMP, an essential precursor for DNA biosynthesis. Belongs to the thymidylate synthase family. Bacterial-type ThyA subfamily. (264 aa) |
| | c3444 | Xanthine dehydrogenase, molybdenum binding subunit; Escherichia coli K-12 ortholog: b2866; Escherichia coli O157:H7 ortholog: z4205. (765 aa) |
| | ygeT | Xanthine dehydrogenase, FAD binding subunit; Escherichia coli K-12 ortholog: b2867; Escherichia coli O157:H7 ortholog: z4206. (292 aa) |
| | c3446 | Xanthine dehydrogenase iron-sulfur binding subunit; Escherichia coli K-12 ortholog: b2868; Escherichia coli O157:H7 ortholog: z4207. (159 aa) |
| | ygeW | Hypothetical protein ygeW; Escherichia coli K-12 ortholog: b2870; Escherichia coli O157:H7 ortholog: z4209. (396 aa) |
| | ygeX | Putative diaminopropionate ammonia-lyase; Catalyzes the alpha,beta-elimination reaction of both L- and D-alpha,beta-diaminopropionate (DAP) to form pyruvate and ammonia. The D-isomer of serine is degraded to pyruvate, though very poorly; other amino acids (L-serine, D- and L-threonine, D- and L-beta-Cl-alanine) are not substrates. (398 aa) |
| | ygeY | Hypothetical protein ygeY; Escherichia coli K-12 ortholog: b2872; Escherichia coli O157:H7 ortholog: z4211. (403 aa) |
| | ygeZ | Hypothetical hydrolase ygeZ; Catalyzes the stereospecific hydrolysis of the cyclic amide bond of D-hydantoin derivatives with an aromatic side chains at the 5'- position. Has no activity on dihydropyrimidines. The physiological function is unknown. (496 aa) |
| | yqeA | Carbamate kinase-like protein yqeA; Escherichia coli K-12 ortholog: b2874; Escherichia coli O157:H7 ortholog: z4213; Belongs to the carbamate kinase family. (310 aa) |
| | yqeB | Hypothetical protein yqeB; Escherichia coli K-12 ortholog: b2875; Escherichia coli O157:H7 ortholog: z4214. (541 aa) |
| | yqeC | Hypothetical protein yqeC; Escherichia coli K-12 ortholog: b2876; Escherichia coli O157:H7 ortholog: z4215. (256 aa) |
| | ygfJ | Hypothetical protein ygfJ; Escherichia coli K-12 ortholog: b2877; Escherichia coli O157:H7 ortholog: z4216. (192 aa) |
| | ygfK | Hypothetical protein ygfK; Escherichia coli K-12 ortholog: b2878; Escherichia coli O157:H7 ortholog: z4217. (1032 aa) |
| | c3457 | SsnA protein; Escherichia coli K-12 ortholog: b2879; Escherichia coli O157:H7 ortholog: z4218. (464 aa) |
| | ygfM | Hypothetical protein ygfM; Escherichia coli K-12 ortholog: b2880; Escherichia coli O157:H7 ortholog: z4219. (259 aa) |
| | c3459 | Possible hypoxanthine oxidase xdhD; Escherichia coli K-12 ortholog: b2881; Escherichia coli O157:H7 ortholog: z4220. (956 aa) |
| | ygfO | Putative purine permease ygfO; Specific, proton motive force-dependent high-affinity transporter for xanthine; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. (485 aa) |
| | ygfP | Guanine deaminase; Catalyzes the hydrolytic deamination of guanine, producing xanthine and ammonia; Belongs to the metallo-dependent hydrolases superfamily. ATZ/TRZ family. (479 aa) |
| | c3462 | Hypothetical protein yjcD; Escherichia coli K-12 ortholog: b4064; Escherichia coli O157:H7 ortholog: z4223. (455 aa) |
| | ygfU | Putative purine permease ygfU; Escherichia coli K-12 ortholog: b2888; Escherichia coli O157:H7 ortholog: z4226. (525 aa) |
| | yrfG | Hypothetical protein yrfG; Escherichia coli K-12 ortholog: b3399; Escherichia coli O157:H7 ortholog: z4753. (237 aa) |
| | dut | Deoxyuridine 5'-triphosphate nucleotidohydrolase; This enzyme is involved in nucleotide metabolism: it produces dUMP, the immediate precursor of thymidine nucleotides and it decreases the intracellular concentration of dUTP so that uracil cannot be incorporated into DNA. (152 aa) |
| | pyrE | Orotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). (218 aa) |
| | gmk | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. (226 aa) |
| | spoT | Guanosine-3',5'-bis(Diphosphate) 3'-pyrophosphohydrolase; In eubacteria ppGpp (guanosine 3'-diphosphate 5-' diphosphate) is a mediator of the stringent response that coordinates a variety of cellular activities in response to changes in nutritional abundance. (702 aa) |
| | yicE | Putative purine permease yicE; Specific, proton motive force-dependent high-affinity transporter for xanthine; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. (466 aa) |
| | yicO | Hypothetical protein yicO; Escherichia coli K-12 ortholog: b3664; Escherichia coli O157:H7 ortholog: z5209. (470 aa) |
| | yicP | Probable adenine deaminase; Escherichia coli K-12 ortholog: b3665; Escherichia coli O157:H7 ortholog: z5155. (588 aa) |
| | yieG | Hypothetical protein yieG; Escherichia coli K-12 ortholog: b3714; Escherichia coli O157:H7 ortholog: z5209. (445 aa) |
| | c4762 | Putative permease; Residues 14 to 395 of 407 are 28.42 pct identical to residues 27 to 419 of 445 from GenPept.129 : >dbj|BAB05601.1| (AP001513) cytosine permease [Bacillus halodurans]. (407 aa) |
| | udp | Uridine phosphorylase; Catalyzes the reversible phosphorylytic cleavage of uridine and deoxyuridine to uracil and ribose- or deoxyribose-1-phosphate. The produced molecules are then utilized as carbon and energy sources or in the rescue of pyrimidine bases for nucleotide synthesis. Belongs to the PNP/UDP phosphorylase family. (217 aa) |
| | c4898 | Hypothetical protein; Residues 3 to 519 of 519 are 91.87 pct identical to residues 1 to 517 of 518 from GenPept.129 : >gb|AAL22944.1| (AE008891) putative 5'-nucleotidase/2',3'-cyclic phosphodiesterase or related esterase [Salmonella typhimurium LT2]; Belongs to the 5'-nucleotidase family. (519 aa) |
| | purD | Phosphoribosylamine--glycine ligase; Escherichia coli K-12 ortholog: b4005; Escherichia coli O157:H7 ortholog: z5582; Belongs to the GARS family. (429 aa) |
| | purH | Purine biosynthesis protein PurH; Bifunctional; Escherichia coli K-12 ortholog: b4006; Escherichia coli O157:H7 ortholog: z5583; bifunctional; Phosphoribosylaminoimidazolecarboxamide formyltransferase; IMP cyclohydrolase. (529 aa) |
| | purA | Adenylosuccinate synthetase; Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP; Belongs to the adenylosuccinate synthetase family. (432 aa) |
| | nrdG | Anaerobic ribonucleoside-triphosphate reductase activating protein; Activation of anaerobic ribonucleoside-triphosphate reductase under anaerobic conditions by generation of an organic free radical, using S-adenosylmethionine and reduced flavodoxin as cosubstrates to produce 5'-deoxy-adenosine. (154 aa) |
| | nrdD | Anaerobic ribonucleoside-triphosphate reductase; Escherichia coli K-12 ortholog: b4238; Escherichia coli O157:H7 ortholog: z5848. (712 aa) |
| | pyrI | Aspartate carbamoyltransferase regulatory chain; Involved in allosteric regulation of aspartate carbamoyltransferase. (153 aa) |
| | pyrB | Aspartate carbamoyltransferase catalytic chain; Escherichia coli K-12 ortholog: b4245; Escherichia coli O157:H7 ortholog: z5856; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. (311 aa) |
| | argR-2 | Hypothetical protein; Regulates arginine biosynthesis genes. (184 aa) |
| | c5347 | Hypothetical protein; Residues 16 to 482 of 482 are 89.93 pct identical to residues 1 to 467 of 467 from GenPept.129 : >emb|CAD06924.1| (AL627283) putative membrane protein [Salmonella enterica subsp. enterica serovar Typhi]. (482 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) |
| | c5349 | Carbamate kinase; Escherichia coli K-12 ortholog: b0521; Escherichia coli O157:H7 ortholog: z0676; Belongs to the carbamate kinase family. (310 aa) |
| | arcA-2 | Putative arginine deiminase; Residues 7 to 407 of 407 are 47.79 pct identical to residues 10 to 416 of 418 from SwissProt.40 : >sp|P13981|ARCA_PSEAE Arginine deiminase (ADI) (Arginine dihydrolase) (AD). (407 aa) |
| | c5351 | Hypothetical protein. (44 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) |
| | yjjG | Hypothetical protein yjjG; Escherichia coli K-12 ortholog: b4374; Escherichia coli O157:H7 ortholog: z5975. (225 aa) |
| | deoC | Deoxyribose-phosphate aldolase; Catalyzes a reversible aldol reaction between acetaldehyde and D-glyceraldehyde 3-phosphate to generate 2-deoxy-D-ribose 5- phosphate; Belongs to the DeoC/FbaB aldolase family. DeoC type 2 subfamily. (267 aa) |
| | deoA | Thymidine phosphorylase; The enzymes which catalyze the reversible phosphorolysis of pyrimidine nucleosides are involved in the degradation of these compounds and in their utilization as carbon and energy sources, or in the rescue of pyrimidine bases for nucleotide synthesis. Belongs to the thymidine/pyrimidine-nucleoside phosphorylase family. (463 aa) |
| | deoB | Phosphopentomutase; Phosphotransfer between the C1 and C5 carbon atoms of pentose; Belongs to the phosphopentomutase family. (407 aa) |
| | deoD | Purine nucleoside phosphorylase; Escherichia coli K-12 ortholog: b4384; Escherichia coli O157:H7 ortholog: z5986. (258 aa) |
| | pyrL | PyrBI operon leader peptide; Attenuator; Escherichia coli K-12 ortholog: b4246. (44 aa) |
