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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. (484 aa) | ||||
purC | Phosphoribosylaminoimidazole-succinocarboxamide synthase; Belongs to the SAICAR synthetase family. (291 aa) | ||||
purF | Amidophosphoribosyltransferase precursor; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine. (478 aa) | ||||
purB | Adenylosuccinate lyase; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (477 aa) | ||||
glyA | Pyridoxal-phosphate-dependent 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. (411 aa) | ||||
purL | Phosphoribosylformylglycinamidine synthase. (1251 aa) | ||||
CUQ81864.1 | IMP cyclohydrolase. (237 aa) | ||||
purH | Bifunctional purine biosynthesis protein PurH. (392 aa) | ||||
ybbW | Allantoin transport protein. (485 aa) | ||||
hyuA | D-phenylhydantoinase. (463 aa) | ||||
pyrI | Aspartate carbamoyltransferase regulatory chain. (146 aa) | ||||
pyrB | Aspartate carbamoyltransferase catalytic chain; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. (306 aa) | ||||
gmk_1 | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP. (211 aa) | ||||
CUQ84924.1 | Uncharacterised protein. (456 aa) | ||||
guaD | Guanine deaminase. (424 aa) | ||||
xanQ | Xanthine permease XanQ. (480 aa) | ||||
carA | Carbamoyl-phosphate synthase small chain; Belongs to the CarA family. (374 aa) | ||||
carB | Carbamoyl-phosphate synthase large chain. (1067 aa) | ||||
CUQ87592.1 | Xanthine permease. (73 aa) | ||||
fhs | Formate--tetrahydrofolate ligase; Belongs to the formate--tetrahydrofolate ligase family. (556 aa) | ||||
folD | Bifunctional protein FolD; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (279 aa) | ||||
yfkN_1 | Trifunctional nucleotide phosphoesterase protein YfkN precursor; Belongs to the 5'-nucleotidase family. (649 aa) | ||||
udk | Uridine kinase. (573 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. (426 aa) | ||||
pyrC | Dihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate; Belongs to the metallo-dependent hydrolases superfamily. DHOase family. Class I DHOase subfamily. (422 aa) | ||||
xpt | Xanthine phosphoribosyltransferase; Converts the preformed base xanthine, a product of nucleic acid breakdown, to xanthosine 5'-monophosphate (XMP), so it can be reused for RNA or DNA synthesis. (197 aa) | ||||
purD | Phosphoribosylamine--glycine ligase; Belongs to the GARS family. (423 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. (208 aa) | ||||
purM | Phosphoribosylformylglycinamidine cyclo-ligase. (341 aa) | ||||
purE | N5-carboxyaminoimidazole ribonucleotide mutase; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (170 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). (226 aa) | ||||
pyrD | Dihydroorotate dehydrogenase B (NAD(+))%2C catalytic subunit; Catalyzes the conversion of dihydroorotate to orotate. (300 aa) | ||||
pyrK_2 | Dihydrdoorotate oxidase B%2C electron transfer subunit; Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD type B subunit to the ultimate electron acceptor NAD(+). (260 aa) | ||||
pyrF | Orotidine 5'-phosphate decarboxylase; Belongs to the OMP decarboxylase family. Type 2 subfamily. (309 aa) | ||||
guaA_1 | GMP synthase [glutamine-hydrolyzing]. (515 aa) | ||||
yfkN_2 | Trifunctional nucleotide phosphoesterase protein YfkN precursor; Belongs to the 5'-nucleotidase family. (620 aa) | ||||
udp_2 | 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. (260 aa) | ||||
upp | Uracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. (209 aa) | ||||
gmk_3 | Guanylate kinase. (194 aa) | ||||
CUQ93278.1 | Adenine deaminase. (328 aa) | ||||
punA | Purine nucleoside phosphorylase 1; The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta- (deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate. (270 aa) |