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hpt hpt ribF ribF carA carA carB carB yacE yacE nadC nadC pyrH pyrH accA accA purK purK purE purE folD folD adk adk apt apt gpt gpt ybeN ybeN nadA nadA grxA grxA pyrD pyrD purT purT modD modD prsA prsA purU purU tdk tdk pyrF pyrF nadE nadE purR purR purB purB tmk tmk pyrC pyrC udk udk dcd dcd amn amn pncB pncB cmk cmk nrdB nrdB ackA ackA pta pta purF purF accD accD purC purC upp upp purM purM purN purN guaA guaA guaB guaB ndk ndk purL purL yfjB yfjB nadB nadB nrdF nrdF pyrG pyrG thyA thyA accC accC purH purH purD purD coaA coaA udp udp cyaA cyaA gppA gppA atpB atpB atpE atpE atpF atpF atpH atpH atpA atpA atpG atpG atpD atpD atpC atpC grxC grxC kdtB kdtB dfp dfp dut dut pyrE pyrE gmk gmk spoT spoT pyrI pyrI pyrB pyrB pyrL pyrL purA purA nadR nadR
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
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a 3D structure is known or predicted
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hptHypoxanthine phosphoribosyltransferase; Code: F; COG: COG0634; Belongs to the purine/pyrimidine phosphoribosyltransferase family. (182 aa)
ribFPutative regulator; Code: H; COG: COG0196; Belongs to the ribF family. (313 aa)
carACarbamoyl-phosphate synthetase, glutamine subunit; Small subunit; Code: EF; COG: COG0505; Belongs to the CarA family. (382 aa)
carBCarbamoyl-phosphate synthase large subunit; Code: EF; COG: COG0458; Belongs to the CarB family. (1073 aa)
yacEPutative DNA repair protein; Catalyzes the phosphorylation of the 3'-hydroxyl group of dephosphocoenzyme A to form coenzyme A; Belongs to the CoaE family. (206 aa)
nadCQuinolinate phosphoribosyltransferase; Code: H; COG: COG0157; Belongs to the NadC/ModD family. (297 aa)
pyrHUridylate kinase; Catalyzes the reversible phosphorylation of UMP to UDP. (241 aa)
accAacetylCoA carboxylase, carboxytransferase component, alpha subunit; Component of the acetyl coenzyme A carboxylase (ACC) complex. First, biotin carboxylase catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the carboxyltransferase to acetyl-CoA to form malonyl-CoA. (319 aa)
purKAIR carboxylase, CO(2)-fixing subunit; Catalyzes the ATP-dependent conversion of 5-aminoimidazole ribonucleotide (AIR) and HCO(3)(-) to N5-carboxyaminoimidazole ribonucleotide (N5-CAIR). (355 aa)
purEAIR carboxylase, catalytic subunit; Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR). (169 aa)
folD5,10-methylene-tetrahydrofolate dehydrogenase; Catalyzes the oxidation of 5,10-methylenetetrahydrofolate to 5,10-methenyltetrahydrofolate and then the hydrolysis of 5,10- methenyltetrahydrofolate to 10-formyltetrahydrofolate. (288 aa)
adkAdk; 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; Belongs to the adenylate kinase family. (214 aa)
aptAdenine phosphoribosyltransferase; Catalyzes a salvage reaction resulting in the formation of AMP, that is energically less costly than de novo synthesis. (183 aa)
gptGuanine-hypoxanthine phosphoribosyltransferase; Acts on guanine, xanthine and to a lesser extent hypoxanthine; Belongs to the purine/pyrimidine phosphoribosyltransferase family. XGPT subfamily. (152 aa)
ybeNConserved hypothetical protein; Catalyzes the reversible adenylation of nicotinate mononucleotide (NaMN) to nicotinic acid adenine dinucleotide (NaAD). (213 aa)
nadAQuinolinate synthetase, A protein; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate; Belongs to the quinolinate synthase A family. Type 1 subfamily. (347 aa)
grxAGlutaredoxin1 redox coenzyme for glutathione-dependent ribonucleotide reductase; Code: O; COG: COG0695. (85 aa)
pyrDDihydro-orotate dehydrogenase; Catalyzes the conversion of dihydroorotate to orotate with quinone as electron acceptor; Belongs to the dihydroorotate dehydrogenase family. Type 2 subfamily. (336 aa)
purTPhosphoribosylglycinamide 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. (392 aa)
modDPutative molybdenum transport protein; Code: H; COG: COG0157; Belongs to the NadC/ModD family. (284 aa)
prsAPhosphoribosylpyrophosphate synthetase; Involved in the biosynthesis of the central metabolite phospho-alpha-D-ribosyl-1-pyrophosphate (PRPP) via the transfer of pyrophosphoryl group from ATP to 1-hydroxyl of ribose-5-phosphate (Rib- 5-P); Belongs to the ribose-phosphate pyrophosphokinase family. Class I subfamily. (315 aa)
purUFormyltetrahydrofolate deformylase; Catalyzes the hydrolysis of 10-formyltetrahydrofolate (formyl-FH4) to formate and tetrahydrofolate (FH4). (280 aa)
tdkThymidine kinase; Code: F; COG: COG1435. (205 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. (245 aa)
nadENAD synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses ammonia as a nitrogen source. (275 aa)
purRPurR; Is the main repressor of the genes involved in the de novo synthesis of purine nucleotides, regulating purB, purC, purEK, purF, purHD, purL, purMN and guaBA expression. PurR is allosterically activated to bind its cognate DNA by binding the purine corepressors, hypoxanthine or guanine, thereby effecting transcription repression. (341 aa)
purBAdenylosuccinate lyase; Code: F; COG: COG0015; Belongs to the lyase 1 family. Adenylosuccinate lyase subfamily. (456 aa)
tmkThymidylate kinase; Phosphorylation of dTMP to form dTDP in both de novo and salvage pathways of dTTP synthesis; Belongs to the thymidylate kinase family. (213 aa)
pyrCDihydro-orotase; Catalyzes the reversible cyclization of carbamoyl aspartate to dihydroorotate. (348 aa)
udkUridine/cytidine kinase; Code: F; COG: COG0572. (231 aa)
dcd2'-deoxycytidine 5'-triphosphate deaminase; Catalyzes the deamination of dCTP to dUTP. (193 aa)
amnAMP nucleosidase; Catalyzes the hydrolysis of the N-glycosidic bond of AMP to form adenine and ribose 5-phosphate. Involved in regulation of AMP concentrations. (484 aa)
pncBNicotinate phosphoribosyltransferase; Catalyzes the synthesis of beta-nicotinate D-ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate at the expense of ATP; Belongs to the NAPRTase family. (400 aa)
cmkCytidylate kinase; Code: F; COG: COG0283. (227 aa)
nrdBRibonucleoside-diphosphate reductase 1, beta subunit, B2; Code: F; COG: COG0208. (376 aa)
ackAAcetate kinase; Catalyzes the formation of acetyl phosphate from acetate and ATP. Can also catalyze the reverse reaction; Belongs to the acetokinase family. (400 aa)
ptaPhosphotransacetylase; Involved in acetate metabolism. In the N-terminal section; belongs to the CobB/CobQ family. (714 aa)
purFAmidophosphoribosyltransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine; In the C-terminal section; belongs to the purine/pyrimidine phosphoribosyltransferase family. (505 aa)
accDacetylCoA carboxylase, carboxytransferase component, beta subunit; Component of the acetyl coenzyme A carboxylase (ACC) complex. Biotin carboxylase (BC) catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the transcarboxylase to acetyl-CoA to form malonyl-CoA; Belongs to the AccD/PCCB family. (304 aa)
purCSAICAR synthetase; Code: F; COG: COG0152. (237 aa)
uppUracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. (217 aa)
purMAIR synthetase; Code: F; COG: COG0150. (345 aa)
purNPhosphoribosylglycinamide 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. (212 aa)
guaAGMP synthetase (glutamine-hydrolyzing); Catalyzes the synthesis of GMP from XMP. (525 aa)
guaBIMP 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)
ndkNucleoside 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; Belongs to the NDK family. (143 aa)
purLPhosphoribosylformyl-glycineamide synthetase FGAM synthetase; 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. (1295 aa)
yfjBConserved hypothetical protein; Involved in the regulation of the intracellular balance of NAD and NADP, and is a key enzyme in the biosynthesis of NADP. Catalyzes specifically the phosphorylation on 2'-hydroxyl of the adenosine moiety of NAD to yield NADP. (292 aa)
nadBQuinolinate synthetase, B protein; Catalyzes the oxidation of L-aspartate to iminoaspartate. (540 aa)
nrdFRibonucleoside-diphosphate reductase 2, beta chain; Provides the precursors necessary for DNA synthesis. Catalyzes the biosynthesis of deoxyribonucleotides from the corresponding ribonucleotides; Belongs to the ribonucleoside diphosphate reductase small chain family. (322 aa)
pyrGCTP synthetase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates. (545 aa)
thyAThymidylate synthetase; 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. (264 aa)
accCAcetyl CoA carboxylase, biotin carboxylase subunit; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (449 aa)
purHAICAR formyltransferase; IMP cyclohydrolase; Code: F; COG: COG0138. (529 aa)
purDGAR synthetase; Code: F; COG: COG0151. (429 aa)
coaAPantothenate kinase; Code: H; COG: COG1072. (316 aa)
udpUridine 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. (253 aa)
cyaAAdenylate cyclase; Code: F; COG: COG3072; Belongs to the adenylyl cyclase class-1 family. (848 aa)
gppAGuanosine pentaphosphatase; Catalyzes the conversion of pppGpp to ppGpp. Guanosine pentaphosphate (pppGpp) is a cytoplasmic signaling molecule which together with ppGpp controls the 'stringent response', an adaptive process that allows bacteria to respond to amino acid starvation, resulting in the coordinated regulation of numerous cellular activities. (494 aa)
atpBMembrane-bound ATP synthase, F0 sector, subunit a; Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane. (271 aa)
atpEMembrane-bound ATP synthase, F0 sector, subunit c; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (79 aa)
atpFMembrane-bound ATP synthase, F0 sector, subunit b; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (156 aa)
atpHMembrane-bound ATP synthase, F1 sector, delta-subunit; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation; Belongs to the ATPase delta chain family. (177 aa)
atpAMembrane-bound ATP synthase, F1 sector, alpha-subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. The alpha chain is a regulatory subunit. Belongs to the ATPase alpha/beta chains family. (513 aa)
atpGMembrane-bound ATP synthase, F1 sector, gamma-subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. The gamma chain is believed to be important in regulating ATPase activity and the flow of protons through the CF(0) complex. (287 aa)
atpDMembrane-bound ATP synthase, F1 sector, beta-subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits; Belongs to the ATPase alpha/beta chains family. (460 aa)
atpCMembrane-bound ATP synthase, F1 sector, epsilon-subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. (139 aa)
grxCGlutaredoxin 3; Has a glutathione-disulfide oxidoreductase activity in the presence of NADPH and glutathione reductase. Reduces low molecular weight disulfides and proteins. (83 aa)
kdtBPutative enzyme of LPS biosynthesis; Reversibly transfers an adenylyl group from ATP to 4'- phosphopantetheine, yielding dephospho-CoA (dPCoA) and pyrophosphate. Belongs to the bacterial CoaD family. (159 aa)
dfpDfp; Catalyzes two steps in the biosynthesis of coenzyme A. In the first step cysteine is conjugated to 4'-phosphopantothenate to form 4- phosphopantothenoylcysteine, in the latter compound is decarboxylated to form 4'-phosphopantotheine; In the C-terminal section; belongs to the PPC synthetase family. (430 aa)
dutDeoxyuridinetriphosphatase; 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; Belongs to the dUTPase family. (151 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). (213 aa)
gmkGuanylate kinase; Essential for recycling GMP and indirectly, cGMP. (207 aa)
spoT(p)ppGpp synthetase II; In eubacteria ppGpp (guanosine 3'-diphosphate 5-' diphosphate) is a mediator of the stringent response that coordinates a variety of cellular activities in response to changes in nutritional abundance. (702 aa)
pyrIAspartate carbamoyltransferase, regulatory subunit; Involved in allosteric regulation of aspartate carbamoyltransferase. (153 aa)
pyrBAspartate carbamoyltransferase, catalytic subunit; Code: F; COG: COG0540; Belongs to the aspartate/ornithine carbamoyltransferase superfamily. ATCase family. (311 aa)
pyrLpyrBI operon leader peptide. (44 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. (432 aa)
nadRProbable nadAB transcriptional regulator; Code: H; COG: COG3172. (417 aa)
Your Current Organism:
Shigella dysenteriae
NCBI taxonomy Id: 300267
Other names: S. dysenteriae Sd197, Shigella dysenteriae Sd197, Shigella dysenteriae str. Sd197, Shigella dysenteriae strain Sd197
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