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ygiX ygiX hflB hflB rpoN rpoN yhcQ yhcQ fmt fmt rpsJ rpsJ ompR ompR yhjO yhjO emrD emrD dsbA dsbA sodA sodA cpxR cpxR cpxP cpxP ydeV ydeV yneA yneA oxyR oxyR rplA rplA soxS soxS soxR soxR basR basR yjdB yjdB hflK hflK hflC hflC ftsW ftsW ftsA ftsA ftsZ ftsZ hpt hpt htrA htrA yafK yafK mod mod ampH ampH acrA acrA arcC arcC folD folD fepA fepA entC entC STM0718 STM0718 ybiP ybiP poxB poxB ompF ompF ompA ompA yccA yccA copS copS csgD csgD csgA csgA mdoC mdoC rne rne phoP phoP spy spy marA marA marR marR nmpC nmpC htpX htpX fliC fliC galF galF wcaF wcaF mdtA mdtA baeR baeR rplY rplY ompC ompC mepA mepA acrD acrD rnc rnc emrR emrR emrB emrB luxS luxS csrA csrA ygaA ygaA tolC tolC
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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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Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
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ygiXPutative transcriptional regulator; Member of a two-component regulatory system QseB/QseC. Activates the flagella regulon by activating transcription of flhDC (By similarity). (219 aa)
hflBATP-dependent zinc-metallo protease; Acts as a processive, ATP-dependent zinc metallopeptidase for both cytoplasmic and membrane proteins. Plays a role in the quality control of integral membrane proteins; In the central section; belongs to the AAA ATPase family. (644 aa)
rpoNSigma N factor of RNA polymerase; Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is responsible for the expression of enzymes involved in arginine catabolism. The open complex (sigma-54 and core RNA polymerase) serves as the receptor for the receipt of the melting signal from the remotely bound activator protein GlnG(NtrC). (477 aa)
yhcQPutative membrane located multidrug resistance protein; Forms an efflux pump with AaeB; Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (310 aa)
fmt10-formyltetrahydrofolate:L-methionyl-tRNA(fMet) N-formyltransferase; Attaches a formyl group to the free amino group of methionyl- tRNA(fMet). The formyl group appears to play a dual role in the initiator identity of N-formylmethionyl-tRNA by promoting its recognition by IF2 and preventing the misappropriation of this tRNA by the elongation apparatus. (315 aa)
rpsJ30S ribosomal subunit protein S10; Involved in the binding of tRNA to the ribosomes. Belongs to the universal ribosomal protein uS10 family. (103 aa)
ompRResponse regulator in two-component regulatory system with EnvZ; Member of the two-component regulatory system EnvZ/OmpR involved in osmoregulation (particularly of genes ompF and ompC) as well as other genes (By similarity). Plays a central role in both acid and osmotic stress responses. Binds to the promoter of both ompC and ompF; at low osmolarity it activates ompF transcription, while at high osmolarity it represses ompF and activates ompC transcription (By similarity). (239 aa)
yhjOGlycosyltransferase; Catalytic subunit of cellulose synthase. It polymerizes uridine 5'-diphosphate glucose to cellulose, which is produced as an extracellular component for mechanical and chemical protection at the onset of the stationary phase, when the cells exhibit multicellular behavior (rdar morphotype). Coexpression of cellulose and thin aggregative fimbriae leads to a hydrophobic network with tightly packed cells embedded in a highly inert matrix. (874 aa)
emrDMFS family multidrug tranport protein; Similar to E. coli 2-module integral membrane pump; multidrug resistance (AAC76696.1); Blastp hit to AAC76696.1 (396 aa), 92% identity in aa 3 - 396. (394 aa)
dsbAPeriplasmic protein disulfide isomerase I; Required for disulfide bond formation in some periplasmic proteins such as PhoA or OmpA. Acts by transferring its disulfide bond to other proteins and is reduced in the process. DsbA is reoxidized by DsbB. It is required for pilus biogenesis (By similarity). Belongs to the thioredoxin family. DsbA subfamily. (207 aa)
sodASuperoxide dismutase; Destroys superoxide anion radicals which are normally produced within the cells and which are toxic to biological systems; Belongs to the iron/manganese superoxide dismutase family. (206 aa)
cpxRResponse reguator in two-component regulatory system with CpxA; Regulates expression of protein folding and degrading factors (OmpR family); similar to E. coli transcriptional regulator in 2-component system (AAC76894.1); Blastp hit to AAC76894.1 (232 aa), 97% identity in aa 1 - 232. (232 aa)
cpxPPeriplasmic repressor of cpx regulon by interaction with CpxA; Rescue from transitory stresses; similar to E. coli orf, hypothetical protein (AAC76896.1); Blastp hit to AAC76896.1 (122 aa), 94% identity in aa 1 - 122. (166 aa)
ydeVPutative sugar kinase; Catalyzes the phosphorylation of autoinducer-2 (AI-2) to phospho-AI-2, which subsequently inactivates the transcriptional regulator LsrR and leads to the transcription of the lsr operon. Phosphorylates the ring-open form of (S)-4,5-dihydroxypentane-2,3-dione (DPD), which is the precursor to all AI-2 signaling molecules, at the C5 position; Belongs to the FGGY kinase family. (530 aa)
yneAPutative sugar transport protein; Part of the ABC transporter complex LsrABCD involved in autoinducer 2 (AI-2) import. Binds AI-2 and delivers it to the LsrC and LsrD permeases (Probable); Belongs to the bacterial solute-binding protein 2 family. (340 aa)
oxyRRegulatory protein sensor for oxidative stress; Regulates intracellular hydrogen peroxide (LysR family); similar to E. coli activator, hydrogen peroxide-inducible genes (AAC76943.1); Blastp hit to AAC76943.1 (305 aa), 95% identity in aa 1 - 305; Belongs to the LysR transcriptional regulatory family. (305 aa)
rplA50S ribosomal subunit protein L1; Binds directly to 23S rRNA. The L1 stalk is quite mobile in the ribosome, and is involved in E site tRNA release. (234 aa)
soxSTranscriptional activator of superoxide response regulon; Transcriptional activator of the superoxide response regulon of E.coli that includes at least 10 genes such as sodA, nfo, zwf and micF. Binds the DNA sequence 5'-GCACN(7)CAA-3'. It also facilitates the subsequent binding of RNA polymerase to the micF and the nfo promoters (By similarity). (107 aa)
soxRRedox-sensing transcriptional activator SoxR; Activates the transcription of the soxS gene which itself controls the superoxide response regulon. SoxR contains a 2Fe-2S iron- sulfur cluster that may act as a redox sensor system that recognizes superoxide. The variable redox state of the Fe-S cluster is employed in vivo to modulate the transcriptional activity of SoxR in response to specific types of oxidative stress (By similarity). (152 aa)
basRResponse regulator in two-component regulatory system with BasS; Member of the two-component regulatory system BasS/BasR. BasR induces the transcription of the ugd, ais, arnBCADTEF and eptA-basRS loci, all involved in resistance to polymyxin. Represses the transcription of pmrD. Plays a role in the adaptation of the organism to the host environment, in particular to neutrophils, and therefore it plays a role in virulence as well. (222 aa)
yjdBPutative integral membrane protein; Catalyzes the addition of a phosphoethanolamine moiety to the lipid A. The phosphoethanolamine modification is required for resistance to polymyxin; Belongs to the phosphoethanolamine transferase family. EptA subfamily. (547 aa)
hflKComponent of modulator for protease specific for FtsH phage lambda cII repressor; HflC and HflK could encode or regulate a protease. (419 aa)
hflCComponent of modulator for protease specific for FtsH phage lambda cII repressor; HflC and HflK could regulate a protease. (334 aa)
ftsWEssential cell division gene; Peptidoglycan polymerase that is essential for cell division. Belongs to the SEDS family. FtsW subfamily. (414 aa)
ftsAATP-binding cell division protein; Cell division protein that is involved in the assembly of the Z ring. May serve as a membrane anchor for the Z ring. Belongs to the FtsA/MreB family. (420 aa)
ftsZTubulin-like GTP-binding protein and GTPase; Essential cell division protein that forms a contractile ring structure (Z ring) at the future cell division site. The regulation of the ring assembly controls the timing and the location of cell division. One of the functions of the FtsZ ring is to recruit other cell division proteins to the septum to produce a new cell wall between the dividing cells. Binds GTP and shows GTPase activity. (383 aa)
hptHypoxanthine phosphoribosyltransferase; Acts preferentially on hypoxanthine; has very low activity towards guanine. Inactive towards xanthine (By similarity). Belongs to the purine/pyrimidine phosphoribosyltransferase family. (178 aa)
htrAPeriplasmic serine protease Do, heat shock protein; DegP acts as a chaperone at low temperatures but switches to a peptidase (heat shock protein) at higher temperatures. It degrades transiently denatured and unfolded proteins which accumulate in the periplasm following heat shock or other stress conditions. DegP is efficient with Val-Xaa and Ile-Xaa peptide bonds, suggesting a preference for beta-branched side chain amino acids. Only unfolded proteins devoid of disulfide bonds appear capable of being cleaved, thereby preventing non-specific proteolysis of folded proteins. Its proteolyt [...] (475 aa)
yafKPutative periplasmic protein; Similar to E. coli orf, hypothetical protein (AAC73328.1); Blastp hit to AAC73328.1 (246 aa), 90% identity in aa 1 - 246. (246 aa)
modDNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. (652 aa)
ampHPenicillin- binding protein; Similar to E. coli putative enzyme (AAC73479.1); Blastp hit to AAC73479.1 (385 aa), 91% identity in aa 10 - 385. (376 aa)
acrASimilar to E. coli acridine efflux pump (AAC73565.1); Blastp hit to AAC73565.1 (397 aa), 91% identity in aa 1 - 397; Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (397 aa)
arcCSimilar to E. coli putative carbamate kinase (AAC73623.1); Blastp hit to AAC73623.1 (297 aa), 86% identity in aa 1 - 297. (297 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)
fepASimilar to E. coli outer membrane receptor for ferric enterobactin (enterochelin) and colicins B and D (AAC73685.1); Blastp hit to AAC73685.1 (746 aa), 81% identity in aa 1 - 746. (751 aa)
entCSimilar to E. coli isochorismate hydroxymutase 2, enterochelin biosynthesis (AAC73694.1); Blastp hit to AAC73694.1 (391 aa), 84% identity in aa 1 - 391. (391 aa)
STM0718Putative cytoplasmic protein. (246 aa)
ybiPPutative integral membrane protein; Similar to E. coli putative enzyme (AAC73902.1); Blastp hit to AAC73902.1 (527 aa), 84% identity in aa 1 - 526. (526 aa)
poxBPyruvate dehydrogenase/oxidase FAD and thiamine PPi cofactors, cytoplasmic in absence of cofactors; Similar to E. coli pyruvate oxidase (AAC73958.1); Blastp hit to AAC73958.1 (572 aa), 94% identity in aa 1 - 572; Belongs to the TPP enzyme family. (572 aa)
ompFOuter membrane protein 1a (ia;b;f), porin; Forms pores that allow passive diffusion of small molecules across the outer membrane. It is also a receptor for the bacteriophage T2 (By similarity). (363 aa)
ompAPutative membrane component hydrogenase; With TolR probably plays a role in maintaining the position of the peptidoglycan cell wall in the periplasm. Acts as a porin with low permeability that allows slow penetration of small solutes; an internal gate slows down solute passage. (350 aa)
yccASimilar to E. coli putative carrier/transport protein (AAC74056.1); Blastp hit to AAC74056.1 (219 aa), 94% identity in aa 1 - 219; Belongs to the BI1 family. (219 aa)
copSCopper resistance; Member of a two-component regulatory system. (454 aa)
csgDPutative transcriptional regulator; Necessary for transcription of the csgAB operon. May have the capability to respond to starvation and/or high cell density by activating csgBA transcription (By similarity). (216 aa)
csgACurlin major subunit; Curlin is the structural subunit of the curli. Curli are coiled surface structures that assemble preferentially at growth temperatures below 37 degrees Celsius. Curli can bind to fibronectin; Belongs to the CsgA/CsgB family. (151 aa)
mdoCMembrane protein; Necessary for the succinyl substitution of periplasmic glucans. Could catalyze the transfer of succinyl residues from the cytoplasmic side of the membrane to the nascent glucan backbones on the periplasmic side of the membrane. (384 aa)
rneRNase E; Endoribonuclease that plays a central role in RNA processing and decay. Required for the maturation of 5S and 16S rRNAs and the majority of tRNAs. Also involved in the degradation of most mRNAs. Belongs to the RNase E/G family. RNase E subfamily. (1067 aa)
phoPResponse regulator in two-component regulatory system with PhoQ; Member of the two-component regulatory system PhoP/PhoQ which regulates the expression of genes involved in virulence, adaptation to acidic and low Mg(2+) environments and resistance to host defense antimicrobial peptides. Essential for intramacrophage survival of S.typhimurium. In low periplasmic Mg(2+), PhoQ phosphorylates PhoP, resulting in the expression of PhoP-activated genes (PAG) and repression of PhoP-repressed genes (PRG). In high periplasmic Mg(2+), PhoQ dephosphorylates phospho-PhoP, resulting in the repressio [...] (224 aa)
spySimilar to E. coli periplasmic protein related to spheroblast formation (AAC74813.1); Blastp hit to AAC74813.1 (161 aa), 89% identity in aa 1 - 161. (161 aa)
marAAraC/XylS family transcriptional activator of defense systems; May be a transcriptional activator of genes involved in the multiple antibiotic resistance (Mar) phenotype. It can also activate genes such as sodA, zwf and micF. (144 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)
nmpCNew outer membrane protein; Forms pores that allow passive diffusion of small molecules across the outer membrane; Belongs to the Gram-negative porin family. (362 aa)
htpXHeat shock protein; Integral membrane protein; similar to E. coli heat shock protein, integral membrane protein (AAC74899.1); Blastp hit to AAC74899.1 (293 aa), 96% identity in aa 1 - 293; Belongs to the peptidase M48B family. (293 aa)
fliCFlagellar biosynthesis; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (495 aa)
galFPutative glucose-1-phosphate uridylyltransferase, non-catalytic subunit; May play a role in stationary phase survival; Belongs to the UDPGP type 2 family. (297 aa)
wcaFPutative acyltransferase; In colanic acid gene cluster; similar to E. coli putative transferase (AAC75115.1); Blastp hit to AAC75115.1 (182 aa), 87% identity in aa 1 - 180. (184 aa)
mdtAPutative HlyD family secretion protein; Similar to E. coli putative membrane protein (AAC75135.1); Blastp hit to AAC75135.1 (464 aa), 82% identity in aa 50 - 464; Belongs to the membrane fusion protein (MFP) (TC 8.A.1) family. (413 aa)
baeROmpR family; similar to E. coli transcriptional response regulatory protein (sensor BaeS) (AAC75140.1); Blastp hit to AAC75140.1 (240 aa), 96% identity in aa 1 - 240. (240 aa)
rplY50S ribosomal subunit protein L25; This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance. Belongs to the bacterial ribosomal protein bL25 family. (94 aa)
ompCOuter membrane protein 1b (ib;c); Forms pores that allow passive diffusion of small molecules across the outer membrane. (378 aa)
mepAPenicillin-insensitive murein DD-endopeptidase; Murein endopeptidase that cleaves the D-alanyl-meso-2,6- diamino-pimelyl amide bond that connects peptidoglycan strands. Likely plays a role in the removal of murein from the sacculus. Belongs to the peptidase M74 family. (274 aa)
acrDRND family aminoglycoside/multidrug efflux pump; Similar to E. coli sensitivity to acriflavine, integral membrane protein, possible efflux pump (AAC75523.1); Blastp hit to AAC75523.1 (1037 aa), 94% identity in aa 1 - 1037. (1037 aa)
rncRNase III, ds RNA; Digests double-stranded RNA. Involved in the processing of ribosomal RNA transcript to yield the immediate precursors to the large and small rRNAs (23S and 16S). Removes small helical intervening sequences (IVSs) from all 7 of the 23S rRNA transcripts. Probably also processes some mRNAs, and tRNAs when they are encoded in the rRNA operon. Probably processes pre-crRNA and tracrRNA of type II CRISPR loci if present in the organism. (226 aa)
emrRTranscriptional repressor of emrAB operon; MarR family; similar to E. coli regulator of plasmid mcrB operon (microcin B17 synthesis) (AAC75731.1); Blastp hit to AAC75731.1 (176 aa), 93% identity in aa 1 - 175. (176 aa)
emrBPutative MFS superfamily multidrug transport protein; Similar to E. coli multidrug resistance; probably membrane translocase (AAC75733.1); Blastp hit to AAC75733.1 (512 aa), 95% identity in aa 1 - 512; Belongs to the major facilitator superfamily. (512 aa)
luxSQuorum sensing protein; Involved in the synthesis of autoinducer 2 (AI-2) which is secreted by bacteria and is used to communicate both the cell density and the metabolic potential of the environment. The regulation of gene expression in response to changes in cell density is called quorum sensing. Catalyzes the transformation of S-ribosylhomocysteine (RHC) to homocysteine (HC) and 4,5-dihydroxy-2,3-pentadione (DPD) (By similarity); Belongs to the LuxS family. (171 aa)
csrACarbon storage regulator; A key translational regulator that binds mRNA to regulate translation initiation and/or mRNA stability. Mediates global changes in gene expression, shifting from rapid growth to stress survival by linking envelope stress, the stringent response and the catabolite repression systems. Usually binds in the 5'-UTR; binding at or near the Shine-Dalgarno sequence prevents ribosome-binding, repressing translation, binding elsewhere in the 5'-UTR can activate translation and/or stabilize the mRNA. Its function is antagonized by small RNA(s). (61 aa)
ygaAPutative EBP family regulator; Required for the expression of anaerobic nitric oxide (NO) reductase, acts as a transcriptional activator for at least the norVW operon. Activation also requires sigma-54. (506 aa)
tolCOuter membrane channel; Specific tolerance to colicin E1; segregation of daughter chromosomes; role in organic solvent tolerance; similar to E. coli outer membrane channel; specific tolerance to colicin E1; segregation of daughter chromosomes (AAC76071.1); Blastp hit to AAC76071.1 (495 aa), 89% identity in aa 1 - 495. (491 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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