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guaB guaB dck dck dgk dgk purR purR yabJ yabJ tilS tilS hprT hprT purT purT pbuG pbuG purE purE purK purK purB purB purC purC purS purS purQ purQ purL purL purF purF purM purM purN purN purH purH purD purD yerA yerA yfkN yfkN yitY yitY yitZ yitZ argC argC argJ argJ argB argB argD argD carA carA carB carB argF argF yjzC yjzC purU purU guaD guaD adeC adeC pyrR pyrR pyrP pyrP pyrB pyrB pyrC pyrC pyrAA pyrAA pyrAB pyrAB pyrK pyrK pyrD pyrD pyrF pyrF pyrE pyrE deoD deoD pbuX pbuX xpt xpt pupG pupG artR artR artQ artQ artP artP folD folD cdd cdd udk udk apt apt ytzD ytzD argH argH argG argG pbuO pbuO guaC guaC pucH pucH pucR pucR pucJ pucJ pucK pucK pucL pucL pucM pucM pucE pucE pucD pucD pucC pucC pucB pucB pucA pucA pucG pucG pucF pucF pucI pucI upp upp glyA glyA pdp pdp purA purA
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guaBInosine-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. (488 aa)
dckDeoxyadenosine/deoxycytidine kinase; Plays an essential role in generating the deoxyribonucleotide precursors dATP AND dCTP for DNA metabolism. The phosphate acceptor specificity is strict toward deoxyadenosine (dAdo) and deoxycytidine (dCyd). The specificity toward the sugar moiety of the nucleoside is less strict. Both 2-deoxyribose, ribose, and arabinose nucleosides are phosphorylated, although the 2-deoxyribonucleosides are preferred. The phosphate donor specificity is dependent on the deoxyribonucleoside substrate, but GTP is efficient with both deoxycytidine and deoxyadenosine. O [...] (217 aa)
dgkDeoxyguanosine kinase; Plays an essential role in generating the deoxyribonucleotide precursors dGTP for DNA metabolism. Highly specific toward deoxyguanosine (dGuo) and deoxyinosine (dIno). Only marginal activity is observed with guanosine. UTP is slightly more efficient as phosphate donor than CTP, ATP and GTP. (207 aa)
purRTranscriptional regulator of the purine biosynthesis operon; Controls the transcription of the pur operon for purine biosynthetic genes, binds to the control region of the operon. DNA binding is inhibited by 5-phosphoribosyl 1-pyrophosphate; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (285 aa)
yabJAminoacrylate/iminopropionate hydrolase/deaminase; Accelerates the release of ammonia from reactive enamine/imine intermediates of the PLP-dependent threonine dehydratase (IlvA) in the low water environment of the cell. It catalyzes the deamination of enamine/imine intermediates to yield 2-ketobutyrate and ammonia. It is required for the detoxification of reactive intermediates of IlvA due to their highly nucleophilic abilities. Involved in the isoleucine biosynthesis. May have a role in the purine metabolism; Belongs to the RutC family. (125 aa)
tilStRNAile lysidine synthetase; Ligates lysine onto the cytidine present at position 34 of the AUA codon-specific tRNA(Ile) that contains the anticodon CAU, in an ATP-dependent manner. Cytidine is converted to lysidine, thus changing the amino acid specificity of the tRNA from methionine to isoleucine. Belongs to the tRNA(Ile)-lysidine synthase family. (472 aa)
hprTHypoxanthine-guanine phosphoribosyltransferase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme. (180 aa)
purTPhosphoribosylglycinamide formyltransferase 2; Catalyzes two reactions: the first one is the production of beta-formyl glycinamide ribonucleotide (GAR) from formate, ATP and beta GAR; the second, a side reaction, is the production of acetyl phosphate and ADP from acetate and ATP. (384 aa)
pbuGHypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine; Belongs to the xanthine/uracil permease family. AzgA purine transporter (TC 2.A.1.40) subfamily. (440 aa)
purEN5-carboxyaminoimidazole ribonucleotide mutase; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (162 aa)
purKN5-carboxyaminoimidazole ribonucleotide synthase; Catalyzes the ATP-dependent conversion of 5-aminoimidazole ribonucleotide (AIR) and HCO(3)(-) to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR); Belongs to the PurK/PurT family. (380 aa)
purBAdenylosuccinate lyase; Influences the affinity of glutamyl--tRNA ligase for its substrates and increases its thermostability; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (431 aa)
purCPhosphoribosylaminoimidazole succinocarboxamide synthetase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme; Belongs to the SAICAR synthetase family. (241 aa)
purSFactor required for phosphoribosylformylglycinamidine synthetase activity; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and Pu [...] (84 aa)
purQPhosphoribosylformylglycinamidine synthetase I; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL and is thought to assist [...] (227 aa)
purLPhosphoribosylformylglycinamidine synthetase II; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL and is thought to assis [...] (742 aa)
purFGlutamine phosphoribosylpyrophosphate amidotransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine. (476 aa)
purMPhosphoribosylaminoimidazole synthetase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; enzyme. (346 aa)
purNPhosphoribosylglycinamide 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. (195 aa)
purHFused phosphoribosylaminoimidazole carboxy formyl formyltransferase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; enzyme. (512 aa)
purDPhosphoribosylglycinamide synthetase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (422 aa)
yerAPutative adenine deaminase YerA; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative enzyme. (580 aa)
yfkNExported 2',3'-cyclic-nucleotide 2'-phosphodiesterase, 2' (or 3') nucleotidase and 5' nucleotidase; Catalyzes the release of inorganic phosphate from 2',3'- cyclic nucleotides through consecutive 2',3'-phosphodiesterase and 3'- (or 2') nucleotidase activities. Also possesses a 5'-nucleotidase activity. Does not catalyze the release of inorganic phosphate from 3',5'-cyclic nucleotides. Probably plays a role in the cellular reprocessing of nucleotides present in the medium, under conditions of phosphate shortage. (1462 aa)
yitYPutative FMN/FAD-binding oxidoreductase; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pe: putative enzyme. (476 aa)
yitZPutative transport protein; Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; Product type pm: putative membrane component. (164 aa)
argCN-acetylglutamate gamma-semialdehyde dehydrogenase; Catalyzes the NADPH-dependent reduction of N-acetyl-5- glutamyl phosphate to yield N-acetyl-L-glutamate 5-semialdehyde. Belongs to the NAGSA dehydrogenase family. Type 1 subfamily. (345 aa)
argJOrnithine acetyltransferase; Catalyzes two activities which are involved in the cyclic version of arginine biosynthesis: the synthesis of N-acetylglutamate from glutamate and acetyl-CoA as the acetyl donor, and of ornithine by transacetylation between N(2)-acetylornithine and glutamate. (406 aa)
argBN-acetylglutamate 5-phosphotransferase (acetylglutamate kinase); Catalyzes the ATP-dependent phosphorylation of N-acetyl-L- glutamate; Belongs to the acetylglutamate kinase family. ArgB subfamily. (258 aa)
argDN-acetylornithine aminotransferase; Evidence 2a: Function of homologous gene experimentally demonstrated in an other organism; Product type e: enzyme; Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family. ArgD subfamily. (385 aa)
carAArginine-specific carbamoyl-phosphate synthetase (small subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (353 aa)
carBArginine-specific carbamoyl-phosphate synthetase (large subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the CarB family. (1030 aa)
argFOrnithine carbamoyltransferase; 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. (319 aa)
yjzCConserved hypothetical protein; Evidence 4: Homologs of previously reported genes of unknown function. (59 aa)
purUFormyltetrahydrofolate hydrolase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). (300 aa)
guaDGuanine deaminase; Catalyzes the hydrolytic deamination of guanine, producing xanthine and ammonia. (156 aa)
adeCAdenine deaminase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the metallo-dependent hydrolases superfamily. Adenine deaminase family. (577 aa)
pyrRTranscriptional attenuator and uracil phosphoribosyltransferase activity; Regulates transcriptional attenuation of the pyrimidine nucleotide (pyr) operon by binding in a uridine-dependent manner to specific sites on pyr mRNA. This disrupts an antiterminator hairpin in the RNA and favors formation of a downstream transcription terminator, leading to a reduced expression of downstream genes; Belongs to the purine/pyrimidine phosphoribosyltransferase family. PyrR subfamily. (181 aa)
pyrPUracil permease; Transport of uracil in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. (435 aa)
pyrBAspartate carbamoyltransferase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (304 aa)
pyrCDihydroorotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate. (428 aa)
pyrAAPyrimidine-specific carbamoyl-phosphate synthetase (small subunit, glutaminase subunit); Evidence 2b: Function of strongly homologous gene; enzyme. (364 aa)
pyrABPyrimidine-specific carbamoyl-phosphate synthetase (large subunit); Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the CarB family. (1071 aa)
pyrKDihydroorotate dehydrogenase (electron transfer subunit); Responsible for channeling the electrons from the oxidation of dihydroorotate from the FMN redox center in the PyrD subunit to the ultimate electron acceptor NAD(+); Belongs to the PyrK family. (256 aa)
pyrDDihydroorotate dehydrogenase (catalytic subunit); Catalyzes the conversion of dihydroorotate to orotate with NAD(+) as electron acceptor. (311 aa)
pyrFOrotidine 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. (239 aa)
pyrEOrotate phosphoribosyltransferase; Catalyzes the transfer of a ribosyl phosphate group from 5- phosphoribose 1-diphosphate to orotate, leading to the formation of orotidine monophosphate (OMP). (216 aa)
deoDPurine nucleoside phosphorylase; Cleavage of adenosine and its derivatives; Belongs to the PNP/UDP phosphorylase family. (233 aa)
pbuXXanthine permease; Transport of xanthine in the cell; Belongs to the xanthine/uracil permease family. Nucleobase:cation symporter-2 (NCS2) (TC 2.A.40) subfamily. (438 aa)
xptXanthine phosphoribosyltransferase; Converts the preformed base xanthine, a product of nucleic acid breakdown, to xanthosine 5'-monophosphate (XMP), so that it can be reused for RNA or DNA synthesis; Belongs to the purine/pyrimidine phosphoribosyltransferase family. Xpt subfamily. (194 aa)
pupGPurine 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, inosine, 2'-deoxyguanosine and 2'-deoxyinosine. (271 aa)
artRHigh affinity arginine ABC transporter (ATP-binding protein); Part of a binding-protein-dependent transport system for arginine. Probably responsible for energy coupling to the transport system. (240 aa)
artQHigh affinity arginine ABC transporter (permease); Part of a binding-protein-dependent transport system for arginine. Probably responsible for the translocation of the substrate across the membrane. (219 aa)
artPHigh affinity arginine ABC transporter binding lipoprotein; Part of a binding-protein-dependent transport system for arginine. (255 aa)
folDMethylenetetrahydrofolate dehydrogenase; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (283 aa)
cddCytidine/deoxycytidine deaminase; This enzyme scavenges exogenous and endogenous cytidine and 2'-deoxycytidine for UMP synthesis. (136 aa)
udkUridine kinase; Evidence 2b: Function of strongly homologous gene; Product type e: enzyme. (211 aa)
aptAdenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. (170 aa)
ytzDHypothetical protein; Evidence 5: No homology to any previously reported sequences; PubMedId: 11423008. (44 aa)
argHArgininosuccinate lyase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme. (461 aa)
argGArgininosuccinate synthase; Evidence 1a: Function experimentally demonstrated in the studied strain; Product type e: enzyme; Belongs to the argininosuccinate synthase family. Type 1 subfamily. (403 aa)
pbuOHypoxanthine/guanine permease; Involved in the uptake of the purine bases hypoxanthine and guanine. May work at purine concentrations higher than 100 uM. (432 aa)
guaCGMP 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 (Probable). (326 aa)
pucHAllantoinase; Catalyzes the conversion of allantoin (5-ureidohydantoin) to allantoic acid by hydrolytic cleavage of the five-member hydantoin ring. (446 aa)
pucRTranscriptional regulator of the purine degradation operon; Activates the expression of pucFG, pucH, pucI, pucJKLM and guaD, while it represses pucABCDE and its own expression. Belongs to the CdaR family. (531 aa)
pucJUric acid permease; Uptake of uric acid. (449 aa)
pucKUric acid permease; Uptake of uric acid. (430 aa)
pucLUrate oxidase with peroxide reductase N-terminal domain; Catalyzes two steps in the degradation of uric acid, i.e. the oxidation of uric acid to 5-hydroxyisourate (HIU) and the stereoselective decarboxylation of 2-oxo-4-hydroxy-4-carboxy-5- ureidoimidazoline (OHCU) to (S)-allantoin. (494 aa)
pucM5-hydroxyisourate hydrolase; Catalyzes the hydrolysis of 5-hydroxyisourate (HIU) to 2-oxo- 4-hydroxy-4-carboxy-5-ureidoimidazoline (OHCU). (114 aa)
pucEXanthine dehydrogenase, iron-sulfur subunit; Oxidizes hypoxanthine and xanthine to uric acid. (173 aa)
pucDXanthine dehydrogenase, substrate and molybdenum cofactor subunit; Oxidizes hypoxanthine and xanthine to uric acid. Belongs to the xanthine dehydrogenase family. (745 aa)
pucCXanthine dehydrogenase, FAD-binding subunit; Oxidizes hypoxanthine and xanthine to uric acid. (277 aa)
pucBEnzyme for molybdopterin cofactor synthesis required for xanthine dehydrogenase; Required for xanthine dehydrogenase activity. Could be involved in formation of the molybdenum cofactor required by xanthine dehydrogenase. (205 aa)
pucAXanthine dehydrogenase molybdopterin recruitment factor; Oxidizes hypoxanthine and xanthine to uric acid. PucA subunit could exert a molybdenum cofactor recruiting function. (330 aa)
pucGVitamin B6-dependent (S)-ureidoglycine glyoxylate aminotransferase; Catalyzes the transamination between an unstable intermediate ((S)-ureidoglycine) and the end product of purine catabolism (glyoxylate) to yield oxalurate and glycine. Glyoxylate is the preferred substrate, but other amino-group acceptors can be used. Belongs to the class-V pyridoxal-phosphate-dependent aminotransferase family. (416 aa)
pucFAllantoate amidohydrolase; Involved in the anaerobic nitrogen utilization via the assimilation of allantoin. Catalyzes specifically the hydrolysis of allantoate to yield CO2, NH3 and S-ureidoglycine, which is unstable and readily undergoes a second deamination by S- ureidoglycine aminohydrolase AllE to yield S-ureidoglycolate and NH3 (By similarity). (412 aa)
pucIAllantoin permease; Transport of allantoin. (490 aa)
uppUracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. (209 aa)
glyASerine 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 (By similarity); Belongs to the SHMT family. (415 aa)
pdpPyrimidine-nucleoside phosphorylase; Catalyzes phosphorolysis of the pyrimidine nucleosides uridine, thymidine and 2'-deoxyuridine with the formation of the corresponding pyrimidine base and ribose-1-phosphate. (433 aa)
purAAdenylosuccinate 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. (430 aa)
Your Current Organism:
Bacillus subtilis 168
NCBI taxonomy Id: 224308
Other names: B. subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis 168, Bacillus subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis str. BGSC 1A700
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