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htrA htrA lpxA lpxA acrB acrB acrA acrA pagP pagP ycfS ycfS phoQ phoQ phoP phoP marA marA sapA sapA sapB sapB sapC sapC sapD sapD sapF sapF yfbE yfbE pmrF pmrF yfbG yfbG arnD arnD pqaB pqaB arnE arnE arnF arnF pmrD pmrD pgtE pgtE amiA amiA amiC amiC tolC tolC ppiA ppiA yhjW yhjW dsbA dsbA cpxA cpxA cpxR cpxR basS basS basR basR yjdB yjdB amiB amiB
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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
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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)
lpxAUDP-N-acetylglucosamine acetyltransferase; Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell. (262 aa)
acrBSimilar to E. coli acridine efflux pump (AAC73564.1); Blastp hit to AAC73564.1 (1049 aa), 94% identity in aa 1 - 1048. (1049 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)
pagPPhoPQ-activated gene; Transfers a palmitate residue from the sn-1 position of a phospholipid to the N-linked hydroxymyristate on the proximal unit of lipid A or its precursors. Required for resistance to cationic antimicrobial peptides (CAMPs). Modifications of lipid A with a palmitate chain allow to evade host immune defenses by resisting antimicrobial peptides and attenuating the inflammatory response to infection triggered by lipopolysaccharide through the Toll-like receptor 4 (TLR4) signal transduction pathway. (190 aa)
ycfSPutative periplasmic protein; Similar to E. coli orf, hypothetical protein (AAC74197.1); Blastp hit to AAC74197.1 (320 aa), 84% identity in aa 1 - 320. (321 aa)
phoQSensory kinase protein in two-component regulatory system with PhoP; 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 functions as a membrane- associated protein kinase that undergoes autophosphorylation and subsequently transfers the phosphate to PhoP, resulting in the expression of PhoP-activated genes (PAG) and repression of [...] (487 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)
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)
sapAABC superfamily peptide transport protein; Involved in a peptide intake transport system that plays a role in the resistance to antimicrobial peptides. Belongs to the bacterial solute-binding protein 5 family. (549 aa)
sapBABC superfamily peptide transport protein; Involved in a peptide intake transport system that plays a role in the resistance to antimicrobial peptides. (321 aa)
sapCABC superfamily peptide transport protein; Involved in a peptide intake transport system that plays a role in the resistance to antimicrobial peptides. Belongs to the binding-protein-dependent transport system permease family. OppBC subfamily. (296 aa)
sapDABC superfamily peptide transport protein; Involved in a peptide intake transport system that plays a role in the resistance to antimicrobial peptides. Belongs to the ABC transporter superfamily. (330 aa)
sapFABC superfamily peptide transport protein; Involved in a peptide intake transport system that plays a role in the resistance to antimicrobial peptides. Belongs to the ABC transporter superfamily. (268 aa)
yfbEPutative DegT/DnrJ/EryC1/StrS family; Catalyzes the conversion of UDP-4-keto-arabinose (UDP-Ara4O) to UDP-4-amino-4-deoxy-L-arabinose (UDP-L-Ara4N). The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (By similarity); Belongs to the DegT/DnrJ/EryC1 family. ArnB subfamily. (385 aa)
pmrFPutative glycosyl transferase; Catalyzes the transfer of 4-deoxy-4-formamido-L-arabinose from UDP to undecaprenyl phosphate. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides. Plays an important role in pathogenesis by providing resistance to antimicrobial peptides within macrophages or at other anatomic sites encountered during infection. Belongs to the glycosyltransferase 2 family. (327 aa)
yfbGPutative transformylase; Bifunctional enzyme that catalyzes the oxidative decarboxylation of UDP-glucuronic acid (UDP-GlcUA) to UDP-4-keto- arabinose (UDP-Ara4O) and the addition of a formyl group to UDP-4- amino-4-deoxy-L-arabinose (UDP-L-Ara4N) to form UDP-L-4-formamido- arabinose (UDP-L-Ara4FN). The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (By similarity); In the N-terminal section; belongs to the Fmt family. UDP- L-Ara4N formyltransferase subfamily. (660 aa)
arnDPutative cytoplasmic protein; Catalyzes the deformylation of 4-deoxy-4-formamido-L- arabinose-phosphoundecaprenol to 4-amino-4-deoxy-L-arabinose- phosphoundecaprenol. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides (Probable). (299 aa)
pqaBPutative melittin resistance protein; Catalyzes the transfer of the L-Ara4N moiety of the glycolipid undecaprenyl phosphate-alpha-L-Ara4N to lipid A. The modified arabinose is attached to lipid A and is required for resistance to polymyxin and cationic antimicrobial peptides. Belongs to the glycosyltransferase 83 family. (548 aa)
arnEPutative inner membrane protein; Translocates 4-amino-4-deoxy-L-arabinose-phosphoundecaprenol (alpha-L-Ara4N-phosphoundecaprenol) from the cytoplasmic to the periplasmic side of the inner membrane; Belongs to the ArnE family. (111 aa)
arnFPutative inner membrane protein; Translocates 4-amino-4-deoxy-L-arabinose-phosphoundecaprenol (alpha-L-Ara4N-phosphoundecaprenol) from the cytoplasmic to the periplasmic side of the inner membrane. (125 aa)
pmrDPolymyxin resistance protein B; Interacts with phosphorylated BasR protein to mediate transcriptional induction of BasR-activated genes to induce polymyxin resistance; Belongs to the PmrD family. (85 aa)
pgtEOuter membrane protein E; Protease that can cleave T7 RNA polymerase. Specific for paired basic residues; Belongs to the peptidase A26 family. (312 aa)
amiAN-acetylmuramoyl-l-alanine amidase I; Cell-wall hydrolase involved in septum cleavage during cell division; Belongs to the N-acetylmuramoyl-L-alanine amidase 3 family. (289 aa)
amiCSimilar to E. coli putative amidase (AAC75856.1); Blastp hit to AAC75856.1 (447 aa), 94% identity in aa 31 - 446. (417 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)
ppiAPeptidyl-prolyl cis-trans isomerase A; PPIases accelerate the folding of proteins. It catalyzes the cis-trans isomerization of proline imidic peptide bonds in oligopeptides (By similarity). (190 aa)
yhjWPutative membrane-associated metal-dependent hydrolase; Catalyzes the addition of a phosphoethanolamine (pEtN) moiety to the outer 3-deoxy-D-manno-octulosonic acid (Kdo) residue of a Kdo(2)-lipid A. Phosphatidylethanolamines with one unsaturated acyl group functions as pEtN donors and the reaction releases diacylglycerol. (563 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)
cpxASensory kinase in two-component regulatory system with CpxR; Senses misfolded proteins in bacterial envelope; similar to E. coli probable sensor protein (histidine protein kinase), acting on arcA (AAC76893.1); Blastp hit to AAC76893.1 (457 aa), 96% identity in aa 1 - 457. (457 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)
basSSensory kinase in two-component regulatory system with BasR; Member of the two-component regulatory system BasS/BasR. Autophosphorylates and activates BasR by phosphorylation. 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. (356 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)
amiBN-acetylmuramoyl-l-alanine amidase II; Cell-wall hydrolase involved in septum cleavage during cell division. (439 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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