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gud1 | Probable guanine deaminase; Catalyzes the hydrolytic deamination of guanine, producing xanthine and ammonia; Belongs to the metallo-dependent hydrolases superfamily. ATZ/TRZ family. (527 aa) | ||||
ade3 | Probable 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 (By similarity); In the N-terminal section; belongs to the FGAMS family. (1323 aa) | ||||
gua1 | 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. (524 aa) | ||||
cts1 | CTP synthase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. (600 aa) | ||||
apt1 | Adenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. Belongs to the purine/pyrimidine phosphoribosyltransferase family. (188 aa) | ||||
SPCC1020.07 | Putative uncharacterized hydrolase C1020.07. (236 aa) | ||||
ura6 | Uridylate kinase; Catalyzes the phosphorylation of pyrimidine nucleoside monophosphates at the expense of ATP. Plays an important role in de novo pyrimidine nucleotide biosynthesis. Has preference for UMP and dUMP as phosphate acceptors, but can also use CMP, dCMP and AMP. Belongs to the adenylate kinase family. UMP-CMP kinase subfamily. (191 aa) | ||||
ade8 | Adenylosuccinate lyase. (482 aa) | ||||
urk1 | Uridine kinase; Catalyzes the conversion of uridine into UMP and cytidine into CMP in the pyrimidine salvage pathway. (454 aa) | ||||
ade10 | Phosphoribosylaminoimidazolecarboxamide formyltransferase; Belongs to the PurH family. (585 aa) | ||||
ade1 | Phosphoribosylformylglycinamidine cyclo-ligase; In the N-terminal section; belongs to the GARS family. (788 aa) | ||||
ura3 | Dihydroorotate dehydrogenase (quinone), mitochondrial; In the de novo pyrimidine biosynthesis pathway, catalyzes the stereospecific oxidation of (S)-dihydroorotate to orotate with reduction of flavin and the transfer of electrons to ubiquinone, which is part of the repiratory chain. Does not use fumarate and NAD as electron acceptors; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. (443 aa) | ||||
adk1 | 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. Adenylate kinase activity is critical for regulation of the phosphate utilization and the AMP de novo biosynthesis pathways. (220 aa) | ||||
ndk1 | 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. (151 aa) | ||||
ada1 | AMP deaminase; AMP deaminase plays a critical role in energy metabolism; Belongs to the metallo-dependent hydrolases superfamily. Adenosine and AMP deaminases family. (831 aa) | ||||
ado1 | Adenosine kinase. (340 aa) | ||||
pgr1 | Glutathione reductase; Maintains high levels of reduced glutathione in the cytosol. (464 aa) | ||||
ade2 | Adenylosuccinate synthetase; Plays an important role in the de novo pathway and in the salvage pathway of purine nucleotide biosynthesis. Catalyzes the first committed step in the biosynthesis of AMP from IMP. Belongs to the adenylosuccinate synthetase family. (434 aa) | ||||
cdd1 | Putative cytidine deaminase; This enzyme scavenges exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis; Belongs to the cytidine and deoxycytidylate deaminase family. (133 aa) | ||||
ura1 | Glutamine-dependent carbamoyl-phosphate synthase; This protein is a 'fusion' protein encoding three enzymatic activities of the pyrimidine pathway (GATase, CPSase, and ATCase). In the central section; belongs to the metallo-dependent hydrolases superfamily. DHOase family. CAD subfamily. (2244 aa) | ||||
guk1 | Guanylate kinase; Essential for recycling GMP and indirectly, cGMP; Belongs to the guanylate kinase family. (202 aa) | ||||
dut1 | Probable 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. (140 aa) | ||||
gua2 | GMP synthase [glutamine-hydrolyzing]. (539 aa) | ||||
ysa1 | Uncharacterized Nudix hydrolase P35G2.12. (205 aa) | ||||
ynd1 | Golgi apyrase; Catalyzes the hydrolysis of phosphoanhydride bonds of nucleoside tri- and di-phosphates. Required for Golgi glycosylation and cell wall integrity. Involved in N-mannosylation of proteins in Golgi. (572 aa) | ||||
gda1 | Guanosine-diphosphatase; After transfer of sugars to endogenous macromolecular acceptors, the enzyme converts nucleoside diphosphates to nucleoside monophosphates which in turn exit the Golgi lumen in a coupled antiporter reaction, allowing entry of additional nucleotide sugar from the cytosol; Belongs to the GDA1/CD39 NTPase family. (556 aa) | ||||
SPAC1805.16c | Putative purine nucleoside phosphorylase; 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. Cleaves guanosine and inosine (By similarity). (315 aa) | ||||
hal3 | Probable thymidylate synthase; Required for both nuclear and mitochondrial DNA synthesis. In the N-terminal section; belongs to the HFCD (homo- oligomeric flavin containing Cys decarboxylase) superfamily. (625 aa) | ||||
fap7 | Adenylate kinase isoenzyme 6 homolog; Broad-specificity nucleoside monophosphate (NMP) kinase that catalyzes the reversible transfer of the terminal phosphate group between nucleoside triphosphates and monophosphates. Has also ATPase activity. May be involved in rRNA maturation and transcription regulation. (175 aa) | ||||
ham1 | Inosine triphosphate pyrophosphatase; Pyrophosphatase that hydrolyzes non-canonical purine nucleotides such as inosine triphosphate (ITP), deoxyinosine triphosphate (dITP) or xanthosine 5'-triphosphate (XTP) to their respective monophosphate derivatives. The enzyme does not distinguish between the deoxy- and ribose forms. Probably excludes non-canonical purines from RNA and DNA precursor pools, thus preventing their incorporation into RNA and DNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family. (188 aa) |