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acpP acpP brnQ brnQ ybaD ybaD amtB amtB nadD nadD nagC nagC potE potE speF speF gltA gltA nadA nadA pnuC pnuC hutI hutI hutC hutC aroL aroL lpdA lpdA pdhR pdhR folA folA trpR trpR artJ artJ focA focA pncB pncB fabH fabH fabF fabF ycfX ycfX gapA gapA gdhA gdhA astE astE nadE nadE aroH aroH pykF pykF marR marR tyrR tyrR trpE trpE narK narK fadR fadR eda eda edd edd zwf zwf pykA pykA tyrP tyrP dld dld fadL fadL glk glk nadB nadB pheA pheA tyrA tyrA aroF aroF hypD hypD hypE hypE eno eno pgk pgk speB speB hypO hypO mtr mtr argR argR aroK aroK gntR gntR yhiP yhiP lldP lldP metR metR metE metE glnG glnG glnL glnL glnA glnA metJ metJ yijC yijC iclR iclR tyrB tyrB argR-2 argR-2
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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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
filled nodes:
a 3D structure is known or predicted
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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acpPAcyl carrier protein; Carrier of the growing fatty acid chain in fatty acid biosynthesis; Belongs to the acyl carrier protein (ACP) family. (78 aa)
brnQLIVCS family, branched chain amino acid transporter system II (LIV-II); Component of the LIV-II transport system for branched-chain amino acids. This LIV-II transport system may be H(+)-coupled. (439 aa)
ybaDPutative transcriptional regulator; Negatively regulates transcription of bacterial ribonucleotide reductase nrd genes and operons by binding to NrdR- boxes; Belongs to the NrdR family. (149 aa)
amtBPutative Amt family, ammonium transport protein; Similar to E. coli probable ammonium transporter (AAC73554.1); Blastp hit to AAC73554.1 (428 aa), 92% identity in aa 1 - 428. (428 aa)
nadDPutative nicotinic acid mononucleotide adenylyltransferase; Catalyzes the reversible adenylation of nicotinate mononucleotide (NaMN) to nicotinic acid adenine dinucleotide (NaAD). (213 aa)
nagCSimilar to E. coli transcriptional repressor of nag (N-acetylglucosamine) operon (AAC73770.1); Blastp hit to AAC73770.1 (406 aa), 94% identity in aa 1 - 406. (406 aa)
potEAPC family, putrescine/ornithine antiporter; Catalyzes both the uptake and excretion of putrescine. The uptake of putrescine is dependent on the membrane potential and the excretion involves putrescine-ornithine antiporter activity. Belongs to the amino acid-polyamine-organocation (APC) superfamily. Basic amino acid/polyamine antiporter (APA) (TC 2.A.3.2) family. (439 aa)
speFSimilar to E. coli ornithine decarboxylase isozyme, inducible (AAC73787.1); Blastp hit to AAC73787.1 (732 aa), 91% identity in aa 1 - 732. (732 aa)
gltACitrate synthase. (SW:CISY_SALTY). (427 aa)
nadAQuinolinate synthetase, A protein; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. (347 aa)
pnuCNMN family, nucleoside/purine/pyrimidine transporter; Required for nicotinamide riboside transport across the inner membrane. (239 aa)
hutIImidazolonepropionase; Belongs to the metallo-dependent hydrolases superfamily. HutI family. (407 aa)
hutCHistidine utilization repressor; Similar to E. coli transcriptional regulator of succinylCoA synthetase operon (AAC73824.1); Blastp hit to AAC73824.1 (240 aa), 24% identity in aa 5 - 229. (241 aa)
aroLShikimate kinase II; Catalyzes the specific phosphorylation of the 3-hydroxyl group of shikimic acid using ATP as a cosubstrate. (181 aa)
lpdALipoamide dehydrogenase (NADH); Component of 2-oxodehydrogenase and pyruvate complexes; L protein of glycine cleavage complex second part; similar to E. coli lipoamide dehydrogenase (NADH); component of 2-oxodehydrogenase and pyruvate complexes; L-protein of glycine cleavage complex (AAC73227.1); Blastp hit to AAC73227.1 (474 aa), 98% identity in aa 1 - 474. (474 aa)
pdhRTranscriptional repressor for pyruvate dehydrogenase complex (GntR family); Transcriptional repressor for the pyruvate dehydrogenase complex genes aceEF and lpd. (254 aa)
folADihydrofolate reductase type I; Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis. (159 aa)
trpRTranscriptional repressor for trp operon and aroH; This protein is an aporepressor. When complexed with L- tryptophan it binds the operator region of the trp operon (5'- ACTAGT-'3') and prevents the initiation of transcription. The complex also regulates trp repressor biosynthesis by binding to its regulatory region (By similarity). (108 aa)
artJArginine 3rd transport system; ABC superfamily (bind_prot); similar to E. coli arginine 3rd transport system periplasmic binding protein (AAC73947.1); Blastp hit to AAC73947.1 (243 aa), 91% identity in aa 1 - 243; Belongs to the bacterial solute-binding protein 3 family. (243 aa)
focAFormate channel 1; putative FNT family member; similar to E. coli probable formate transporter (formate channel 1) (AAC73990.1); Blastp hit to AAC73990.1 (285 aa), 95% identity in aa 1 - 285. (285 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. (400 aa)
fabH3-oxoacyl-[acyl-carrier-protein] synthase III; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids; Belongs to the thiolase-like superfamily. FabH family. (317 aa)
fabF3-oxoacyl-[acyl-carrier-protein] synthase II; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. (413 aa)
ycfXPutative regulator (NagC/XylR family); Catalyzes the phosphorylation of N-acetyl-D-glucosamine (GlcNAc) derived from cell-wall degradation, yielding GlcNAc-6-P. Belongs to the ROK (NagC/XylR) family. NagK subfamily. (303 aa)
gapAGlyceraldehyde-3-phosphate dehydrogenase A; Catalyzes the oxidative phosphorylation of glyceraldehyde 3- phosphate (G3P) to 1,3-bisphosphoglycerate (BPG) using the cofactor NAD. The first reaction step involves the formation of a hemiacetal intermediate between G3P and a cysteine residue, and this hemiacetal intermediate is then oxidized to a thioester, with concomitant reduction of NAD to NADH. The reduced NADH is then exchanged with the second NAD, and the thioester is attacked by a nucleophilic inorganic phosphate to produce BPG. (331 aa)
gdhANADP-specific glutamate dehydrogenase; Catalyzes the reversible oxidative deamination of glutamate to alpha-ketoglutarate and ammonia. (447 aa)
astESuccinylglutamate desuccinylase; Transforms N(2)-succinylglutamate into succinate and glutamate. (322 aa)
nadENAD synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses ammonia as a nitrogen source. (275 aa)
aroH3-deoxy-D-arabinoheptulosonate-7-phosphate synthase; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP). (348 aa)
pykFPyruvate kinase I; Formerly F; fructose stimulated; pyruvate kinase I. (SW:KPY1_SALTY). (470 aa)
marRTranscriptional repressor of marRAB operon; Repressor of the marRAB operon which is involved in the activation of both antibiotic resistance and oxidative stress genes. Binds to the marO operator/promoter site. (144 aa)
tyrRTranscriptional regulatory protein TyrR; Involved in transcriptional regulation of aromatic amino acid biosynthesis and transport. Modulates the expression of at least 8 unlinked operons. Seven of these operons are regulated in response to changes in the concentration of the three aromatic amino acids (phenylalanine, tyrosine and tryptophan). These amino acids are suggested to act as co-effectors which bind to the TyrR protein to form an active regulatory protein. In most cases TyrR causes negative regulation, but positive effects on the tyrP gene have been observed at high phenylalani [...] (513 aa)
trpEAnthranilate synthase, component I; Part of a heterotetrameric complex that catalyzes the two- step biosynthesis of anthranilate, an intermediate in the biosynthesis of L-tryptophan. In the first step, the glutamine-binding beta subunit (TrpG) of anthranilate synthase (AS) provides the glutamine amidotransferase activity which generates ammonia as a substrate that, along with chorismate, is used in the second step, catalyzed by the large alpha subunit of AS (TrpE) to produce anthranilate. In the absence of TrpG, TrpE can synthesize anthranilate directly from chorismate and high concent [...] (520 aa)
narKSimilar to E. coli nitrite extrusion protein (AAC74307.1); Blastp hit to AAC74307.1 (463 aa), 94% identity in aa 1 - 462. (465 aa)
fadRNegative regulator of fad regulon; Multifunctional regulator of fatty acid metabolism. Represses transcription of at least eight genes required for fatty acid transport and beta-oxidation including fadA, fadB, fadD, fadL and fadE. Activates transcription of at least three genes required for unsaturated fatty acid biosynthesis: fabA, fabB and iclR, the gene encoding the transcriptional regulator of the aceBAK operon encoding the glyoxylate shunt enzymes. Binding of FadR is specifically inhibited by long chain fatty acyl-CoA compounds (By similarity). (239 aa)
edaMultifunctional; similar to E. coli 2-keto-3-deoxygluconate 6-phosphate aldolase and 2-keto-4-hydroxyglutarate aldolase (AAC74920.1); Blastp hit to AAC74920.1 (213 aa), 97% identity in aa 1 - 212; oxaloacetate decarboxylase. (213 aa)
edd6-phosphogluconate dehydratase; Catalyzes the dehydration of 6-phospho-D-gluconate to 2- dehydro-3-deoxy-6-phospho-D-gluconate; Belongs to the IlvD/Edd family. (603 aa)
zwfGlucose-6-phosphate dehydrogenase; Catalyzes the oxidation of glucose 6-phosphate to 6- phosphogluconolactone. (491 aa)
pykAPyruvate kinase II; Glucose stimulated; similar to E. coli pyruvate kinase II, glucose stimulated (AAC74924.1); Blastp hit to AAC74924.1 (480 aa), 98% identity in aa 1 - 480. (480 aa)
tyrPHAAAP family tyrosine-specific transport protein; Similar to E. coli tyrosine-specific transport system (AAC74977.1); Blastp hit to AAC74977.1 (403 aa), 88% identity in aa 1 - 403. (403 aa)
dldNADH independent D-lactate dehydrogenase; Catalyzes the oxidation of D-lactate to pyruvate. Belongs to the quinone-dependent D-lactate dehydrogenase family. (576 aa)
fadLTransport of long-chain fatty acids; Involved in translocation of long-chain fatty acids across the outer membrane. FadL may form a specific channel (By similarity). Belongs to the OmpP1/FadL family. (437 aa)
glkGlucokinase; Similar to E. coli glucokinase (AAC75447.1); Blastp hit to AAC75447.1 (321 aa), 93% identity in aa 1 - 321; Belongs to the bacterial glucokinase family. (321 aa)
nadBQuinolinate synthetase, B protein; Catalyzes the oxidation of L-aspartate to iminoaspartate. (540 aa)
pheAChorismate mutase P; Bifuctional; similar to E. coli chorismate mutase-P and prephenate dehydratase (AAC75648.1); Blastp hit to AAC75648.1 (386 aa), 90% identity in aa 1 - 385. (386 aa)
tyrAChorismate mutase T; Bifuctional; similar to E. coli chorismate mutase-T and prephenate dehydrogenase (AAC75649.1); Blastp hit to AAC75649.1 (373 aa), 95% identity in aa 1 - 372. (373 aa)
aroF3-deoxy-D-arabinoheptulosonate-7-phosphate synthase; Stereospecific condensation of phosphoenolpyruvate (PEP) and D-erythrose-4-phosphate (E4P) giving rise to 3-deoxy-D-arabino- heptulosonate-7-phosphate (DAHP); Belongs to the class-I DAHP synthase family. (356 aa)
hypDPutative hydrogenase expression/formation protein; Similar to E. coli pleiotrophic effects on 3 hydrogenase isozymes (AAC75771.1); Blastp hit to AAC75771.1 (373 aa), 94% identity in aa 1 - 372; Belongs to the HypD family. (373 aa)
hypEPutative hydrogenase expression/formation protein; Similar to E. coli plays structural role in maturation of all 3 hydrogenases (AAC75772.1); Blastp hit to AAC75772.1 (322 aa), 91% identity in aa 1 - 322. (322 aa)
enoEnolase; Catalyzes the reversible conversion of 2-phosphoglycerate into phosphoenolpyruvate. It is essential for the degradation of carbohydrates via glycolysis. (432 aa)
pgkSimilar to E. coli phosphoglycerate kinase (AAC75963.1); Blastp hit to AAC75963.1 (387 aa), 97% identity in aa 1 - 387. (387 aa)
speBAgmatinase; Catalyzes the formation of putrescine from agmatine. Belongs to the arginase family. Agmatinase subfamily. (306 aa)
hypOPutative Ni/Fe hydrogenases, small subunit; Similar to E. coli putative hydrogenase subunit (AAC76033.1); Blastp hit to AAC76033.1 (372 aa), 96% identity in aa 1 - 372. (372 aa)
mtrSimilar to E. coli tryptophan-specific transport protein (AAC76195.1); Blastp hit to AAC76195.1 (414 aa), 94% identity in aa 1 - 414. (414 aa)
argRRepressor of arg regulon; Negatively controls the expression of the four operons of arginine biosynthesis in addition to the carAB operon. Predominantly interacts with A/T residues in ARG boxes; Belongs to the ArgR family. (156 aa)
aroKShikimate kinase I; Catalyzes the specific phosphorylation of the 3-hydroxyl group of shikimic acid using ATP as a cosubstrate; Belongs to the shikimate kinase family. (173 aa)
gntRTranscriptional repressor gnt-I; gntUKR; GalR/LacI family; similar to E. coli regulator of gluconate (gnt) operon (AAC76463.1); Blastp hit to AAC76463.1 (313 aa), 97% identity in aa 1 - 304. (331 aa)
yhiPPutative POT family peptide transport protein; Proton-dependent permease that transports di- and tripeptides; Belongs to the PTR2/POT transporter (TC 2.A.17) family. DtpB subfamily. (489 aa)
lldPLctP transporter; Transports L-lactate across the membrane. Can also transport D-lactate and glycolate. Seems to be driven by a proton motive force (By similarity). (551 aa)
metRRegulator for metE and metH; Control of the last step in methionine biosynthesis; MetR is a positive activator of the metA, metE and metH genes. It is also a negative regulator of its own expression; Belongs to the LysR transcriptional regulatory family. (317 aa)
metE5-methyltetrahydropteroyltriglutamate- homocysteine S-methyltransferase; Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. (754 aa)
glnGEBP family response regulator in two-component regulatory system with GlnL; Member of the two-component regulatory system NtrB/NtrC, which controls expression of the nitrogen-regulated (ntr) genes in response to nitrogen limitation. Phosphorylated NtrC binds directly to DNA and stimulates the formation of open promoter-sigma54-RNA polymerase complexes. (469 aa)
glnLSensory histidine kinase/phosphatase NtrB; Member of the two-component regulatory system NtrB/NtrC, which controls expression of the nitrogen-regulated (ntr) genes in response to nitrogen limitation. Under conditions of nitrogen limitation, NtrB autophosphorylates and transfers the phosphoryl group to NtrC. In the presence of nitrogen, acts as a phosphatase that dephosphorylates and inactivates NtrC. (349 aa)
glnAGlutamine synthetase; Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia. (469 aa)
metJTranscriptional repressor of all met genes but metF; This regulatory protein, when combined with SAM (S- adenosylmethionine) represses the expression of the methionine regulon and of enzymes involved in SAM synthesis. It is also autoregulated (By similarity); Belongs to the MetJ family. (105 aa)
yijCPutative TetR/AcrR family transcriptional repressor; Represses the transcription of fabB, involved in unsaturated fatty acid (UFA) biosynthesis. By controlling UFA production, FabR directly influences the physical properties of the membrane bilayer. (211 aa)
iclRAcetate operon transcriptional repressor; Regulation of the glyoxylate bypass operon, which encodes isocitrate lyase, malate synthase as well as isocitrate dehydrogenase kinase/phosphorylase. (274 aa)
tyrBTyrosine repressible; aromatic-amino-acid aminotransferase. (SW:TYRB_SALTY); Belongs to the class-I pyridoxal-phosphate-dependent aminotransferase family. (397 aa)
argR-2Putative arginine repressor; Regulates arginine biosynthesis genes. (162 aa)
Your Current Organism:
Salmonella enterica Typhimurium
NCBI taxonomy Id: 99287
Other names: S. enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium LT2, Salmonella enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2-LTL2, Salmonella typhimurium LT2
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