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lysC lysC blc blc arcA-2 arcA-2 ileS ileS dnaJ dnaJ dnaK dnaK bolA bolA htpG htpG fimC fimC cspE cspE rlpB rlpB dps dps mukE mukE mukB mukB ompF ompF ompA ompA cbpA cbpA flgD flgD flgE flgE flgK flgK ycfV ycfV phoP phoP sppA sppA hdeB hdeB ydaA ydaA ompW ompW lolB lolB ycgR ycgR cspC cspC proQ proQ motB motB uvrY uvrY fliC fliC fliG fliG fliH fliH fliN fliN ompC ompC yfbG yfbG nlpB nlpB yfgL yfgL pepB pepB hscA hscA hscB hscB nifU nifU yfhP yfhP lepB lepB clpB clpB yfiO yfiO smpA smpA fljB fljB nlpD nlpD barA barA ptr ptr ygfE ygfE sufI sufI yraL yraL nlpI nlpI hflB hflB yhbN yhbN damX damX ftsE ftsE uspA uspA pstS pstS gidB gidB asnC asnC yiiU yiiU basR basR rsmC rsmC rcsF rcsF hlpA hlpA yaeT yaeT htrA htrA ftsZ ftsZ ftsA ftsA yabB yabB imp imp surA surA
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Network nodes represent proteins
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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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
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empty nodes:
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
Others
textmining
co-expression
protein homology
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lysCSimilar to E. coli aspartokinase III, lysine sensitive (AAC76994.1); Blastp hit to AAC76994.1 (449 aa), 93% identity in aa 1 - 449; Belongs to the aspartokinase family. (449 aa)
blcOuter membrane lipoprotein; Involved in the storage or transport of lipids necessary for membrane maintenance under stressful conditions. Displays a binding preference for lysophospholipids. (177 aa)
arcA-2Putative arginine deiminase. (406 aa)
ileSIsoleucine tRNA synthetase; Catalyzes the attachment of isoleucine to tRNA(Ile). As IleRS can inadvertently accommodate and process structurally similar amino acids such as valine, to avoid such errors it has two additional distinct tRNA(Ile)-dependent editing activities. One activity is designated as 'pretransfer' editing and involves the hydrolysis of activated Val-AMP. The other activity is designated 'posttransfer' editing and involves deacylation of mischarged Val-tRNA(Ile). Belongs to the class-I aminoacyl-tRNA synthetase family. IleS type 1 subfamily. (944 aa)
dnaJHeat shock protein DnaJ; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins and by disaggregating proteins, also in an autonomous, DnaK-independent fashion. Unfolded proteins bind initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the release of the substrate protein, thus completing the reaction cycle. Several rounds of ATP-dependent interactions between DnaJ, [...] (379 aa)
dnaKChaperone Hsp70; Acts as a chaperone. (638 aa)
bolAMorphogene; Similar to E. coli possible regulator of murein genes (AAC73538.1); Blastp hit to AAC73538.1 (116 aa), 92% identity in aa 12 - 116; Belongs to the BolA/IbaG family. (105 aa)
htpGChaperone Hsp90, heat shock protein C 62.5; Molecular chaperone. Has ATPase activity. (632 aa)
fimCPeriplasmic chaperone, required for type 1 fimbriae; Required for the biogenesis of type 1 fimbriae. Binds and interact with FimH; Belongs to the periplasmic pilus chaperone family. (230 aa)
cspERNA chaperone, negative regulator of cspA transcription; Similar to E. coli cold shock protein (AAC73724.1); Blastp hit to AAC73724.1 (69 aa), 98% identity in aa 1 - 69. (69 aa)
rlpBA minor lipoprotein; Together with LptD, is involved in the assembly of lipopolysaccharide (LPS) at the surface of the outer membrane. Required for the proper assembly of LptD. Binds LPS and may serve as the LPS recognition site at the outer membrane; Belongs to the LptE lipoprotein family. (196 aa)
dpsStress response DNA-binding protein; During stationary phase, binds the chromosome non- specifically, forming a highly ordered and stable dps-DNA co-crystal within which chromosomal DNA is condensed and protected from diverse damages. It protects DNA from oxidative damage by sequestering intracellular Fe(2+) ion and storing it in the form of Fe(3+) oxyhydroxide mineral, which can be released after reduction. One hydrogen peroxide oxidizes two Fe(2+) ions, which prevents hydroxyl radical production by the Fenton reaction. (167 aa)
mukEPutative chromosome partitioning; Involved in chromosome condensation, segregation and cell cycle progression. May participate in facilitating chromosome segregation by condensation DNA from both sides of a centrally located replisome during cell division. Probably acts via its interaction with MukB and MukF. (234 aa)
mukBKinesin-line cell division protein involved in sister chromosome partitioning; Plays a central role in chromosome condensation, segregation and cell cycle progression. Functions as a homodimer, which is essential for chromosome partition. Involved in negative DNA supercoiling in vivo, and by this means organize and compact chromosomes. May achieve or facilitate chromosome segregation by condensation DNA from both sides of a centrally located replisome during cell division; Belongs to the SMC family. MukB subfamily. (1488 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)
cbpACurved DNA-binding protein; DNA-binding protein that preferentially recognizes a curved DNA sequence. It is probably a functional analog of DnaJ; displays overlapping activities with DnaJ, but functions under different conditions, probably acting as a molecular chaperone in an adaptive response to environmental stresses other than heat shock. Lacks autonomous chaperone activity; binds native substrates and targets them for recognition by DnaK. Its activity is inhibited by the binding of CbpM. (306 aa)
flgDFlagellar biosynthesis protein; Required for flagellar hook formation. May act as a scaffolding protein; Belongs to the FlgD family. (232 aa)
flgEHook protein; Flagellar biosynthesis; flagellar hook protein flge. (SW:FLGE_SALTY); Belongs to the flagella basal body rod proteins family. (403 aa)
flgKHook-filament junction protein 1; Flagellar biosynthesis protein; flagellar hook-associated protein 1 (HAP1). (SW:FLGK_SALTY); Belongs to the flagella basal body rod proteins family. (553 aa)
ycfVATP-binding protein ABC transporter; Part of the ABC transporter complex LolCDE involved in the translocation of mature outer membrane-directed lipoproteins, from the inner membrane to the periplasmic chaperone, LolA. Responsible for the formation of the LolA-lipoprotein complex in an ATP-dependent manner. (233 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)
sppAProtease IV; Signal peptide peptidase; similar to E. coli protease IV, a signal peptide peptidase (AAC74836.1); Blastp hit to AAC74836.1 (618 aa), 86% identity in aa 1 - 618. (618 aa)
hdeBPutative periplasmic transport protein; Required for optimal acid stress protection, which is important for survival of enteric bacteria in the acidic environment of the host stomach. Exhibits a chaperone-like activity at acidic pH by preventing the aggregation of many different periplasmic proteins. Belongs to the HdeB family. (109 aa)
ydaAPutative universal stress protein; Required for resistance to DNA-damaging agents. Belongs to the universal stress protein A family. (315 aa)
ompWOuter membrane protein W; Colicin S4 receptor; putative transporter; similar to E. coli putative outer membrane protein (AAC74338.1); Blastp hit to AAC74338.1 (212 aa), 88% identity in aa 1 - 212. (212 aa)
lolBOuter membrane lipoprotein; Plays a critical role in the incorporation of lipoproteins in the outer membrane after they are released by the LolA protein. (207 aa)
ycgRPutative inner membrane protein; Acts as a flagellar brake, regulating swimming and swarming in a bis-(3'-5') cyclic diguanylic acid (c-di-GMP)-dependent manner. Overexpression of this gene decreases swimming and swarming motility; those cells that are motile turn predominantly counterclockwise. The D- 118 mutant is still able to bind FliM but no longer affects motility upon overexpression. Binds 1 c-di-GMP dimer per subunit. (244 aa)
cspCCold shock protein; Multicopy suppresses mukB mutants, putative regulator; cold shock-like protein CSPC. (SW:CSPC_SALTY). (69 aa)
proQActivator of proP; RNA chaperone with significant RNA binding, RNA strand exchange and RNA duplexing activities. May regulate ProP activity through an RNA-based, post-transcriptional mechanism. Belongs to the ProQ family. (228 aa)
motBEnables flagellar motor rotation; MotA and MotB comprise the stator element of the flagellar motor complex. Required for the rotation of the flagellar motor. Might be a linker that fastens the torque-generating machinery to the cell wall (By similarity). (309 aa)
uvrYPutative LuxR/UhpA family response regulator; Similar to E. coli putative 2-component transcriptional regulator (AAC74981.1); Blastp hit to AAC74981.1 (218 aa), 96% identity in aa 1 - 218. (218 aa)
fliCFlagellar biosynthesis; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (495 aa)
fliGFlagellar biosynthesis protein; FliG is one of three proteins (FliG, FliN, FliM) that forms the rotor-mounted switch complex (C ring), located at the base of the basal body. This complex interacts with the CheY and CheZ chemotaxis proteins, in addition to contacting components of the motor that determine the direction of flagellar rotation (By similarity). (331 aa)
fliHFlagellar biosynthesis protein; Needed for flagellar regrowth and assembly. (235 aa)
fliNFlagellar biosynthesis protein; FliN is one of three proteins (FliG, FliN, FliM) that form the rotor-mounted switch complex (C ring), located at the base of the basal body. This complex interacts with the CheY and CheZ chemotaxis proteins, in addition to contacting components of the motor that determine the direction of flagellar rotation (By similarity). Belongs to the FliN/MopA/SpaO family. (137 aa)
ompCOuter membrane protein 1b (ib;c); Forms pores that allow passive diffusion of small molecules across the outer membrane. (378 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)
nlpBLipoprotein-34; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. (344 aa)
yfgLPutative serine/threonine protein kinase; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. (392 aa)
pepBPutative aminopeptidase; Probably plays an important role in intracellular peptide degradation; Belongs to the peptidase M17 family. (427 aa)
hscAChaperone protein; Chaperone involved in the maturation of iron-sulfur cluster- containing proteins. Has a low intrinsic ATPase activity which is markedly stimulated by HscB. Involved in the maturation of IscU. (616 aa)
hscBCo-chaperone protein Hsc20; Co-chaperone involved in the maturation of iron-sulfur cluster-containing proteins. Seems to help targeting proteins to be folded toward HscA; Belongs to the HscB family. (171 aa)
nifUNifU homolog; A scaffold on which IscS assembles Fe-S clusters. It is likely that Fe-S cluster coordination is flexible as the role of this complex is to build and then hand off Fe-S clusters. (128 aa)
yfhPHypothetical protein; Regulates the transcription of several operons and genes involved in the biogenesis of Fe-S clusters and Fe-S-containing proteins. (164 aa)
lepBLeader peptidase (signal peptidase I), serine protease; Signal peptidase I. (SW:LEP_SALTY); Belongs to the peptidase S26 family. (324 aa)
clpBATP-dependent protease; Part of a stress-induced multi-chaperone system, it is involved in the recovery of the cell from heat-induced damage, in cooperation with DnaK, DnaJ and GrpE. Acts before DnaK, in the processing of protein aggregates. Protein binding stimulates the ATPase activity; ATP hydrolysis unfolds the denatured protein aggregates, which probably helps expose new hydrophobic binding sites on the surface of ClpB-bound aggregates, contributing to the solubilization and refolding of denatured protein aggregates by DnaK (By similarity). Required for colonization of the gastroi [...] (857 aa)
yfiOPutative lipoprotein; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Constitutes, with BamA, the core component of the assembly machinery. (245 aa)
smpASmall membrane protein A; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. (112 aa)
fljBFilament structural protein; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (506 aa)
nlpDLipoprotein; Activator of the cell wall hydrolase AmiC. Required for septal murein cleavage and daughter cell separation during cell division (By similarity); Belongs to the E.coli NlpD/Haemophilus LppB family. (377 aa)
barASensory histidine kinase; Similar to E. coli sensor-regulator, activates OmpR by phophorylation (AAC75828.1); Blastp hit to AAC75828.1 (918 aa), 90% identity in aa 1 - 918. (918 aa)
ptrProtease III; Endopeptidase that degrades small peptides of less than 7 kDa, such as glucagon and insulin. (962 aa)
ygfEPutative cytoplasmic protein; Activator of cell division through the inhibition of FtsZ GTPase activity, therefore promoting FtsZ assembly into bundles of protofilaments necessary for the formation of the division Z ring. It is recruited early at mid-cell but it is not essential for cell division. (109 aa)
sufISuppressor of ftsI; Cell division protein that is required for growth during stress conditions. May be involved in protecting or stabilizing the divisomal assembly under conditions of stress. (470 aa)
yraLPutative methyltransferase; Catalyzes the 2'-O-methylation of the ribose of cytidine 1402 (C1402) in 16S rRNA. (287 aa)
nlpILipoprotein, cell division; May be involved in cell division. May play a role in bacterial septation or regulation of cell wall degradation during cell division (By similarity). (294 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)
yhbNPutative ABC superfamily transport protein; Involved in the assembly of lipopolysaccharide (LPS). Required for the translocation of LPS from the inner membrane to the outer membrane. May form a bridge between the inner membrane and the outer membrane, via interactions with LptC and LptD, thereby facilitating LPS transfer across the periplasm. (184 aa)
damXMembrane protein; Non-essential cell division protein. (425 aa)
ftsEPutative ATPase involved in cell division; Part of the ABC transporter FtsEX involved in cellular division. (222 aa)
uspAUniversal stress protein A; Required for resistance to DNA-damaging agents. (144 aa)
pstSHigh-affinity phosphate transporter; Part of the ABC transporter complex PstSACB involved in phosphate import; Belongs to the PstS family. (346 aa)
gidBAssociated with glucose-inhibited division; Specifically methylates the N7 position of guanine in position 527 of 16S rRNA. (207 aa)
asnCAsnC family; similar to E. coli regulator for asnA, asnC and gidA (AAC76766.1); Blastp hit to AAC76766.1 (152 aa), 97% identity in aa 1 - 152. (152 aa)
yiiUPutative cytoplasmic protein; Non-essential, abundant cell division factor that is required for proper Z-ring formation. It is recruited early to the divisome by direct interaction with FtsZ, stimulating Z-ring assembly and thereby promoting cell division earlier in the cell cycle. Its recruitment to the Z-ring requires functional FtsA or ZipA. (79 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)
rsmC16S ribosomal rRNA; Specifically methylates the guanine in position 1207 of 16S rRNA in the 30S particle; Belongs to the methyltransferase superfamily. RsmC family. (342 aa)
rcsFRegulator in colanic acid synthesis; Essential component of the Rcs signaling system, which controls transcription of numerous genes. Plays a role in signal transduction from the cell surface to the histidine kinase RcsC. May detect outer membrane defects; Belongs to the RcsF family. (134 aa)
hlpAHistone-like protein, located in outer membrane; Molecular chaperone that interacts specifically with outer membrane proteins, thus maintaining the solubility of early folding intermediates during passage through the periplasm. (161 aa)
yaeTPutative outer membrane antigen; Part of the outer membrane protein assembly complex, which is involved in assembly and insertion of beta-barrel proteins into the outer membrane. Constitutes, with BamD, the core component of the assembly machinery. (804 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)
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)
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)
yabBPutative cytoplasmic protein; Negatively regulates its own expression and that of the subsequent genes in the proximal part of the division and cell wall (dcw) gene cluster. Acts by binding directly to DNA. May also regulate the expression of genes outside the dcw cluster. (152 aa)
impOrganic solvent tolerance protein; Together with LptE, is involved in the assembly of lipopolysaccharide (LPS) at the surface of the outer membrane. (786 aa)
surAPeptidyl-prolyl cis-trans isomerase; Chaperone involved in the correct folding and assembly of outer membrane proteins. Recognizes specific patterns of aromatic residues and the orientation of their side chains, which are found more frequently in integral outer membrane proteins. May act in both early periplasmic and late outer membrane-associated steps of protein maturation. (428 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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