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pyrD | Dihydroorotate dehydrogenase (fumarate); Catalyzes the conversion of dihydroorotate to orotate. (321 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). (212 aa) | ||||
pyrDII | Dihydroorotate dehydrogenase electron transfer subunit. (287 aa) | ||||
asnB | Asparagine synthase (glutamine-hydrolysing). (587 aa) | ||||
purE | 5-(carboxyamino)imidazole ribonucleotide mutase; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (170 aa) | ||||
purK | 5-(carboxyamino)imidazole ribonucleotide synthase; Catalyzes the ATP-dependent conversion of 5-aminoimidazole ribonucleotide (AIR) and HCO(3)(-) to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR). (385 aa) | ||||
purN | Phosphoribosylglycinamide formyltransferase 1; 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. (221 aa) | ||||
purM | Phosphoribosylformylglycinamidine cyclo-ligase. (352 aa) | ||||
folD | Methylenetetrahydrofolate dehydrogenase (NADP+)/methenyltetrahydrofolate cyclohydrolase; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (285 aa) | ||||
glyA | Glycine 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. (418 aa) | ||||
purA | Adenylosuccinate synthase; 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. (430 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. (236 aa) | ||||
purB | Adenylosuccinate lyase; Probable gene remnant. OmpA-OmpF porin, OOP family; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (455 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. (494 aa) | ||||
folC | Dihydrofolate synthase/folylpolyglutamate synthase; Belongs to the folylpolyglutamate synthase family. (424 aa) | ||||
guaA | GMP synthase (glutamine-hydrolysing); Catalyzes the synthesis of GMP from XMP. (525 aa) | ||||
guaB | IMP 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. (490 aa) | ||||
carB | Carbamoyl-phosphate synthase large subunit; Belongs to the CarB family. (1069 aa) | ||||
carA | Carbamoyl-phosphate synthase small subunit; Belongs to the CarA family. (367 aa) | ||||
EBS_1802 | Dihydroorotase. (444 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. (1288 aa) | ||||
purC | Phosphoribosylaminoimidazole-succinocarboxamide synthase; Belongs to the SAICAR synthetase family. (294 aa) | ||||
pyrR | Pyrimidine operon attenuation protein/uracil phosphoribosyltransferase. (178 aa) | ||||
pyrB | Aspartate carbamoyltransferase catalytic subunit; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. (328 aa) | ||||
EBS_1907 | Dihydroorotase. (434 aa) | ||||
purH | Phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase. (520 aa) | ||||
purD | Phosphoribosylamine--glycine ligase; Belongs to the GARS family. (432 aa) | ||||
EBS_2063 | Nucleoside-triphosphatase THEP1; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. (198 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. (168 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. (277 aa) | ||||
EBS_2285 | HAD-superfamily hydrolase; Probable gene remnant. transposase IS116/IS110/IS902 family. (226 aa) | ||||
EBS_2338 | 5-formyltetrahydrofolate cyclo-ligase; Belongs to the 5-formyltetrahydrofolate cyclo-ligase family. (180 aa) |