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ydgF ydgF dnaK dnaK dnaJ dnaJ phoE phoE htpG htpG fepA fepA fepD fepD fepB fepB entA entA ybdQ ybdQ ybgH ybgH tolQ tolQ tolR tolR potG potG yceE yceE yeaA yeaA ydiY ydiY purR purR rsxC rsxC ydgE ydgE marR marR yncD yncD ydcI ydcI ynaF ynaF ydaA ydaA tonB tonB oppD oppD fadR fadR wzzB wzzB mdtA mdtA arnE arnE yfbU yfbU ubiX ubiX pgtP pgtP mntH mntH sseA-2 sseA-2 hscA hscA hscB hscB nifS nifS yfhP yfhP clpB clpB grpE grpE proV proV emrB emrB yohM yohM exbD exbD exbB exbB tolC tolC yhcN yhcN fkpA fkpA kefB kefB yheR yheR feoA feoA feoB feoB glpE glpE uspA uspA hslU hslU oxyR oxyR dinF dinF soxS soxS soxR soxR proP proP mopB mopB mgtA mgtA fhuF fhuF
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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
Your Input:
ydgFPutative membrane transporter of cations and cationic drugs; Catalyzes the excretion of spermidine. (120 aa)
dnaKChaperone Hsp70; Acts as a chaperone. (638 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)
phoEOuter membrane pore protein e (e,ic,nmpab); Uptake of inorganic phosphate, phosphorylated compounds, and some other negatively charged solutes; Belongs to the Gram-negative porin family. (350 aa)
htpGChaperone Hsp90, heat shock protein C 62.5; Molecular chaperone. Has ATPase activity. (632 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)
fepDABC superfamily (membrane); similar to E. coli ferric enterobactin (enterochelin) transport (AAC73691.1); Blastp hit to AAC73691.1 (334 aa), 88% identity in aa 1 - 333; Belongs to the binding-protein-dependent transport system permease family. FecCD subfamily. (335 aa)
fepBABC superfamily (peri_perm); similar to E. coli ferric enterobactin (enterochelin) binding protein; periplasmic component (AAC73693.1); Blastp hit to AAC73693.1 (318 aa), 79% identity in aa 1 - 318. (318 aa)
entASimilar to E. coli 2,3-dihydro-2,3-dihydroxybenzoate dehydrogenase, enterochelin biosynthesis (AAC73697.1); Blastp hit to AAC73697.1 (248 aa), 90% identity in aa 2 - 248. (251 aa)
ybdQPutative universal stress protein UspA and related nucleotide-binding protein; Similar to E. coli orf, hypothetical protein (AAC73708.1); Blastp hit to AAC73708.1 (142 aa), 89% identity in aa 1 - 142. (142 aa)
ybgHPutative POT family transport protein; Probable proton-dependent permease that transports dipeptides; Belongs to the PTR2/POT transporter (TC 2.A.17) family. DtpD subfamily. (493 aa)
tolQTol protein, membrane-spanning inner membrane protein; Part of the Tol-Pal system, which plays a role in outer membrane invagination during cell division and is important for maintaining outer membrane integrity. Required, with TolR, for the proton motive force-dependent activation of TolA and for TolA-Pal interaction. (230 aa)
tolRTol protein, role in outer membrane integrity; Part of the Tol-Pal system, which plays a role in outer membrane invagination during cell division and is important for maintaining outer membrane integrity. Required, with TolQ, for the proton motive force-dependent activation of TolA and for TolA-Pal interaction. (142 aa)
potGPutrescine transporter; Part of the ABC transporter complex PotABCD involved in spermidine/putrescine import. Responsible for energy coupling to the transport system. (377 aa)
yceESimilar to E. coli putative transport protein (AAC74137.1); Blastp hit to AAC74137.1 (408 aa), 27% identity in aa 1 - 404. (404 aa)
yeaAHypothetical protein; Putative domain frequently associated with peptide methionine sulfoxide reductase; similar to E. coli orf, hypothetical protein (AAC74848.1); Blastp hit to AAC74848.1 (137 aa), 85% identity in aa 1 - 137. (147 aa)
ydiYPutative salt-induced outer membrane protein; Similar to E. coli orf, hypothetical protein (AAC74792.1); Blastp hit to AAC74792.1 (252 aa), 88% identity in aa 1 - 252. (252 aa)
purRTranscriptional repressor for pur regulon, glyA, glnB, prsA, speA (GalR/LacI family); 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)
rsxCPutative respiratory-chain NADH dehydrogenase; Part of a membrane-bound complex that couples electron transfer with translocation of ions across the membrane. Required to maintain the reduced state of SoxR; Belongs to the 4Fe4S bacterial-type ferredoxin family. RnfC subfamily. (735 aa)
ydgEPutative membrane transporter of cations and cationic drugs; Catalyzes the excretion of spermidine. (109 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)
yncDSimilar to E. coli putative outer membrane receptor for iron transport (AAC74533.1); Blastp hit to AAC74533.1 (700 aa), 84% identity in aa 1 - 700. (706 aa)
ydcISimilar to E. coli putative transcriptional regulator LYSR-type (AAC74504.1); Blastp hit to AAC74504.1 (354 aa), 83% identity in aa 48 - 353; Belongs to the LysR transcriptional regulatory family. (307 aa)
ynaFSimilar to E. coli putative filament protein (AAC74458.1); Blastp hit to AAC74458.1 (168 aa), 90% identity in aa 25 - 168. (144 aa)
ydaAPutative universal stress protein; Required for resistance to DNA-damaging agents. Belongs to the universal stress protein A family. (315 aa)
tonBTonB; Interacts with outer membrane receptor proteins that carry out high-affinity binding and energy dependent uptake into the periplasmic space of specific substrates such as cobalamin, and various iron compounds (such as iron dicitrate, enterochelin, aerobactin, etc.). In the absence of TonB these receptors bind their substrates but do not carry out active transport. TonB also interacts with some colicins and is involved in the energy-dependent, irreversible steps of bacteriophages phi 80 and T1 infection. It could act to transduce energy from the cytoplasmic membrane to specific en [...] (242 aa)
oppDOligopeptide transport protein; Part of the binding-protein-dependent transport system for oligopeptides. Probably responsible for energy coupling to the transport system; Belongs to the ABC transporter superfamily. (335 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)
wzzBRegulator of length of O-antigen component of lipopolysaccharide chains; Confers a modal distribution of chain length on the O-antigen component of lipopolysaccharide (LPS). Gives rise to a reduced number of short chain molecules and increases in numbers of longer molecules, with a modal value of 20; Belongs to the WzzB/Cld/Rol family. (327 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)
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)
yfbUPutative cytoplasmic protein; Similar to E. coli orf, hypothetical protein (AAC75354.1); Blastp hit to AAC75354.1 (170 aa), 95% identity in aa 7 - 170; Belongs to the UPF0304 family. (164 aa)
ubiX3-octaprenyl-4-hydroxybenzoate carboxy-lyase; Flavin prenyltransferase that catalyzes the synthesis of the prenylated FMN cofactor (prenyl-FMN) for 4-hydroxy-3-polyprenylbenzoic acid decarboxylase UbiD. The prenyltransferase is metal-independent and links a dimethylallyl moiety from dimethylallyl monophosphate (DMAP) to the flavin N5 and C6 atoms of FMN. (189 aa)
pgtPTransporter protein; The phosphoglycerate transporter protein is a part of the PGT transport system. It is the membrane bound transporter for phosphoglycerate into salmonella. (463 aa)
mntHManganese/divalent cation transport protein; H(+)-stimulated, divalent metal cation uptake system. Involved in manganese and iron uptake; Belongs to the NRAMP family. (413 aa)
sseA-2Similar to E. coli putative thiosulfate sulfurtransferase (AAC75574.1); Blastp hit to AAC75574.1 (334 aa), 80% identity in aa 54 - 332. (280 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)
nifSPutative aminotransferase class-V; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate; Belongs to the class-V pyridoxal-phosphate-dependent [...] (404 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)
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)
grpEMolecular chaparone; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins, in association with DnaK and GrpE. It is the nucleotide exchange factor for DnaK and may function as a thermosensor. 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-depe [...] (196 aa)
proVGlycine/betaine/proline transport protein; Part of the ProU ABC transporter complex involved in glycine betaine and proline betaine uptake. Probably responsible for energy coupling to the transport system. (400 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)
yohMPutative inner membrane protein; Efflux system for nickel and cobalt. (288 aa)
exbDtonB-dependent uptake of B colicins; similar to E. coli uptake of enterochelin; tonB-dependent uptake of B colicins (AAC76041.1); Blastp hit to AAC76041.1 (141 aa), 93% identity in aa 1 - 141. (141 aa)
exbBUptake of enterochelin; Involved in the TonB-dependent energy-dependent transport of various receptor-bound substrates. Protects ExbD from proteolytic degradation and functionally stabilizes TonB (By similarity). (244 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)
yhcNPutative outer membrane protein; Similar to E. coli orf, hypothetical protein (AAC76270.1); Blastp hit to AAC76270.1 (104 aa), 79% identity in aa 18 - 104. (87 aa)
fkpASimilar to E. coli FKBP-type peptidyl-prolyl cis-trans isomerase (rotamase) (AAC76372.1); Blastp hit to AAC76372.1 (270 aa), 90% identity in aa 1 - 270. (272 aa)
kefBCPA2 family K+:H+ antiporter; Pore-forming subunit of a potassium efflux system that confers protection against electrophiles. Catalyzes K(+)/H(+) antiport. (601 aa)
yheRPutative NAD(P)H oxidoreductase; Regulatory subunit of a potassium efflux system that confers protection against electrophiles. Required for full activity of KefB. (183 aa)
feoASimilar to E. coli ferrous iron transport protein A (AAC76433.1); Blastp hit to AAC76433.1 (75 aa), 96% identity in aa 1 - 75. (75 aa)
feoBFerrous iron transport protein B; Probable transporter for a GTP-driven Fe(2+) uptake system. Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. FeoB GTPase (TC 9.A.8) family. (772 aa)
glpEThiosulfate/cyanide sulfurtransferase; Catalyzes, although with low efficiency, the sulfur transfer reaction from thiosulfate to cyanide. (108 aa)
uspAUniversal stress protein A; Required for resistance to DNA-damaging agents. (144 aa)
hslUATPase component of the HslUV protease; ATPase subunit of a proteasome-like degradation complex; this subunit has chaperone activity. The binding of ATP and its subsequent hydrolysis by HslU are essential for unfolding of protein substrates subsequently hydrolyzed by HslV. HslU recognizes the N-terminal part of its protein substrates and unfolds these before they are guided to HslV for hydrolysis. (443 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)
dinFDNA-damage-inducible protein F; Induced by UV and mitomycin C; SOS, lexA regulon; similar to E. coli DNA-damage-inducible protein F (AAC77014.1); Blastp hit to AAC77014.1 (459 aa), 89% identity in aa 19 - 457. (441 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)
proPMFS family low-affinity proline transporter; Proton symporter that senses osmotic shifts and responds by importing osmolytes such as proline, glycine betaine, stachydrine, pipecolic acid, ectoine and taurine. It is both an osmosensor and an osmoregulator which is available to participate early in the bacterial osmoregulatory response (By similarity); Belongs to the major facilitator superfamily. Metabolite:H+ Symporter (MHS) family (TC 2.A.1.6) family. (500 aa)
mopBChaperone Hsp10; Binds to Cpn60 in the presence of Mg-ATP and suppresses the ATPase activity of the latter. (97 aa)
mgtAP-type ATPase; Mediates magnesium influx to the cytosol. (902 aa)
fhuFFerric hydrozamate transport protein; Involved in reduction of ferric iron in cytoplasmic ferrioxamine B; similar to E. coli orf, hypothetical protein (AAC77323.1); Blastp hit to AAC77323.1 (262 aa), 73% identity in aa 1 - 262. (262 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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