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purB | purB: adenylosuccinate lyase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (456 aa) | ||||
rihA | Inosine-uridine preferring nucleoside hydrolase family protein; Belongs to the IUNH family. (310 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. (336 aa) | ||||
fhs | Formate--tetrahydrofolate ligase family protein; Belongs to the formate--tetrahydrofolate ligase family. (556 aa) | ||||
purB-2 | purB: adenylosuccinate lyase; 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. (505 aa) | ||||
hpt | HGPRTase: hypoxanthine phosphoribosyltransferase; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (180 aa) | ||||
apt | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. (183 aa) | ||||
carB | Carbamoyl-phosphate synthase large chain; Belongs to the CarB family. (1075 aa) | ||||
carA | Carbamoyl-phosphate synthase small chain; Belongs to the CarA family. (387 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. (161 aa) | ||||
thyA | Thym_sym: thymidylate synthase. (283 aa) | ||||
pcaB_1 | Lyase family protein. (456 aa) | ||||
pbuX | pbuX: xanthine permease family protein. (463 aa) | ||||
purD | purD: phosphoribosylamine--glycine ligase; Belongs to the GARS family. (429 aa) | ||||
purH | purH: phosphoribosylaminoimidazolecarboxamide formyltransferase/IMP cyclohydrolase. (529 aa) | ||||
gcvT | Glycine cleavage system T protein; The glycine cleavage system catalyzes the degradation of glycine. (364 aa) | ||||
gcvH | Glycine cleavage system H protein; The glycine cleavage system catalyzes the degradation of glycine. The H protein shuttles the methylamine group of glycine from the P protein to the T protein. (130 aa) | ||||
gcvP | Glycine dehydrogenase; The glycine cleavage system catalyzes the degradation of glycine. The P protein binds the alpha-amino group of glycine through its pyridoxal phosphate cofactor; CO(2) is released and the remaining methylamine moiety is then transferred to the lipoamide cofactor of the H protein; Belongs to the GcvP family. (958 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). (214 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. (432 aa) | ||||
purT | Phosphoribosylglycinamide formyltransferase 2; Involved in the de novo purine biosynthesis. Catalyzes the transfer of formate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR). Formate is provided by PurU via hydrolysis of 10-formyl-tetrahydrofolate; Belongs to the PurK/PurT family. (394 aa) | ||||
gsk | Inosine-guanosine kinase. (436 aa) | ||||
purK | Phosphoribosylaminoimidazole carboxylase, ATPase subunit; Involved in the de novo purine biosynthesis. Catalyzes the transfer of formate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR). Formate is provided by PurU via hydrolysis of 10-formyl-tetrahydrofolate. Belongs to the PurK/PurT family. (355 aa) | ||||
purE | N5-carboxyaminoimidazole ribonucleotide mutase; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (173 aa) | ||||
folD | Bifunctional protein FolD protein; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (290 aa) | ||||
fre | NAD(P)H-flavin reductase. (233 aa) | ||||
gpt | Xanthine phosphoribosyltransferase; Acts on guanine, xanthine and to a lesser extent hypoxanthine; Belongs to the purine/pyrimidine phosphoribosyltransferase family. XGPT subfamily. (153 aa) | ||||
rdgB | Non-canonical purine NTP pyrophosphatase, RdgB/HAM1 family; 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. (197 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. (209 aa) | ||||
purM | purM: phosphoribosylformylglycinamidine cyclo-ligase. (346 aa) | ||||
uraA | Ncs2: uracil-xanthine permease family protein. (433 aa) | ||||
purC | purC: phosphoribosylaminoimidazolesuccinocarboxamide synthase; Belongs to the SAICAR synthetase family. (237 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. (488 aa) | ||||
guaA | GMP synthase glutamine-hydrolyzing; Catalyzes the synthesis of GMP from XMP. (525 aa) | ||||
purU | purU: formyltetrahydrofolate deformylase. (282 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. (1296 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. (417 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. (244 aa) |