STRINGSTRING
ydiV ydiV marA marA tonB tonB narL narL cheB cheB cheR cheR flhC flhC uvrY uvrY fliA fliA hisG hisG gmd gmd gltJ gltJ wcaA wcaA wzc wzc yegN yegN baeR baeR yojN yojN mntH mntH emrA emrA rpoS rpoS fis fis envR envR envZ envZ wcaE wcaE ybjG ybjG himD himD phoQ phoQ himA himA yjeB yjeB hfq hfq dcuS dcuS oxyR oxyR ydeW ydeW yidY yidY fes fes ompR ompR ybbS ybbS acrA acrA dksA dksA ftsQ ftsQ ftsL ftsL entC entC entE entE
Nodes:
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.
Node Color
colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
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:
ydiVPutative diguanylate cyclase/phosphodiesterase domain 1; Acts as an anti-FlhC(2)FlhD(4) factor by binding to FlhD, decreasing its ability to bind DNA, and thus negatively regulates expression of flagellar class II operons, decreasing motility in nutrient-poor medium. Required for resistance to host phagocyte oxidase. Suppresses killing of macrophages, while promoting resistance to hydrogen peroxide. Data regarding c-di-GMP is controversial; suppresses bacterial c-di-GMP levels but neither synthesizes nor degrades c-di-GMP. Belongs to the YdiV family. (237 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)
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)
narLResponse regulator in two-component regulatory system with NarX (or NarQ); Regulates anaerobic respiration and fermentation (LuxR/UhpA family); similar to E. coli pleiotrophic regulation of anaerobic respiration: response regulator for nar, frd, dms and tor genes (AAC74305.1); Blastp hit to AAC74305.1 (216 aa), 96% identity in aa 1 - 216. (216 aa)
cheBMethyl esterase; Involved in chemotaxis. Part of a chemotaxis signal transduction system that modulates chemotaxis in response to various stimuli. Catalyzes the demethylation of specific methylglutamate residues introduced into the chemoreceptors (methyl-accepting chemotaxis proteins or MCP) by CheR. Also mediates the irreversible deamidation of specific glutamine residues to glutamic acid (By similarity). Belongs to the CheB family. (349 aa)
cheRGlutamate methyltransferase; Methylation of the membrane-bound methyl-accepting chemotaxis proteins (MCP) to form gamma-glutamyl methyl ester residues in MCP. (288 aa)
flhCRegulator of flagellar biosynthesis; Functions in complex with FlhD as a master transcriptional regulator that regulates transcription of several flagellar and non- flagellar operons by binding to their promoter region. Activates expression of class 2 flagellar genes, including fliA, which is a flagellum-specific sigma factor that turns on the class 3 genes. Also regulates genes whose products function in a variety of physiological pathways (Probable); Belongs to the FlhC family. (194 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)
fliASigma F (sigma 28) 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 controls the expression of flagella-related genes. May regulate the expression of genes involved in virulence. (239 aa)
hisGATP phosphoribosyltransferase; Catalyzes the condensation of ATP and 5-phosphoribose 1- diphosphate to form N'-(5'-phosphoribosyl)-ATP (PR-ATP). Has a crucial role in the pathway because the rate of histidine biosynthesis seems to be controlled primarily by regulation of HisG enzymatic activity (By similarity); Belongs to the ATP phosphoribosyltransferase family. Long subfamily. (299 aa)
gmdGDP-D-mannose dehydratase; Catalyzes the conversion of GDP-D-mannose to GDP-4-dehydro-6- deoxy-D-mannose. (373 aa)
gltJGlutamate/aspartate transporter; ABC superfamily (membrane); similar to E. coli glutamate/aspartate transport system permease (AAC73755.1); Blastp hit to AAC73755.1 (246 aa), 94% identity in aa 1 - 246. (246 aa)
wcaAPutative glycosyl transferase; In colanic acid gene cluster; similar to E. coli putative regulator (AAC75120.1); Blastp hit to AAC75120.1 (279 aa), 91% identity in aa 3 - 279. (280 aa)
wzcPutative tyrosine-protein kinase; Required for the extracellular polysaccharide colanic acid synthesis. The autophosphorylated form is inactive. Probably involved in the export of colanic acid from the cell to medium (By similarity). Belongs to the etk/wzc family. (719 aa)
yegNPutative outer membrane receptor; Similar to E. coli orf, hypothetical protein (AAC75136.1); Blastp hit to AAC75136.1 (1040 aa), 91% identity in aa 1 - 1040; Belongs to the resistance-nodulation-cell division (RND) (TC 2.A.6) family. MdtB subfamily. (1040 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)
yojNPutative sensor/kinase in regulatory system; Component of the Rcs signaling system, which controls transcription of numerous genes. RcsD is a phosphotransfer intermediate between the sensor kinase RcsC and the response regulator RcsB. It acquires a phosphoryl group from RcsC and transfers it to RcsB. (889 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)
emrASimilar to E. coli multidrug resistance secretion protein (AAC75732.1); Blastp hit to AAC75732.1 (390 aa), 89% identity in aa 1 - 390. (390 aa)
rpoSSigma S (sigma 38) 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 the master transcriptional regulator of the stationary phase and the general stress response. (330 aa)
fisSite-specific DNA inversion stimulation factor; Activates ribosomal RNA transcription. Plays a direct role in upstream activation of rRNA promoters; Belongs to the transcriptional regulatory Fis family. (98 aa)
envRTranscriptional repressor for envCD (acrEF); TetR/AcrR family; similar to E. coli putative transcriptional regulator (AAC76296.1); Blastp hit to AAC76296.1 (220 aa), 68% identity in aa 1 - 211. (220 aa)
envZSensory histidine kinase in two-component regulatory system with OmpR; 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). EnvZ functions as a membrane- associated protein kinase that phosphorylates OmpR in response to environmental signals; at low osmolarity OmpR activates ompF transcription, while at high osmolarity it represses ompF and activates ompC transcription (By similarity). (450 aa)
wcaEPutative transferase; In colanic acid gene cluster; similar to E. coli putative colanic acid biosynthesis glycosyl transferase (AAC75116.1); Blastp hit to AAC75116.1 (248 aa), 71% identity in aa 1 - 248. (248 aa)
ybjGPutative permease; Similar to E. coli orf, hypothetical protein (AAC73928.1); Blastp hit to AAC73928.1 (198 aa), 78% identity in aa 1 - 198. (202 aa)
himDIntegration host factor (IHF), beta subunit; This protein is one of the two subunits of integration host factor, a specific DNA-binding protein that functions in genetic recombination as well as in transcriptional and translational control. Belongs to the bacterial histone-like protein family. (94 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)
himAIntegration host factor (IHF), alpha subunit; This protein is one of the two subunits of integration host factor, a specific DNA-binding protein that functions in genetic recombination as well as in transcriptional and translational control. (99 aa)
yjeBPutative negative regulator; Nitric oxide-sensitive repressor of genes involved in protecting the cell against nitrosative stress. May require iron for activity. Represses hmp expression under conditions of elevated intracellular iron concentrations, in the absence of nitric oxide. (141 aa)
hfqHost factor I for bacteriophage Q beta replication; RNA chaperone that binds small regulatory RNA (sRNAs) and mRNAs to facilitate mRNA translational regulation in response to envelope stress, environmental stress and changes in metabolite concentrations. Also binds with high specificity to tRNAs (By similarity). Plays a central regulatory role in the microbial response to space flight conditions. Is essential for virulence and is required for efficient invasion of non-phagocytic cells. (102 aa)
dcuSSensory histidine kinase in two-component retgulatory system with DcuR; Senses fumarate/C4-dicarboxylate; similar to E. coli putative 2-component sensor protein (AAC77086.1); Blastp hit to AAC77086.1 (543 aa), 81% identity in aa 1 - 542. (543 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)
ydeWPutative transcriptional repressor; In the absence of autoinducer 2 (AI-2), represses transcription of the lsrACDBFGE operon and its own transcription. In the presence of AI-2, LsrR is inactivated by binding phospho-AI-2, leading to the transcription of the lsr genes. (319 aa)
yidYPutative MFS family tranport protein; 1st mdule; similar to E. coli putative transport protein (AAC76733.1); Blastp hit to AAC76733.1 (391 aa), 77% identity in aa 1 - 391. (395 aa)
fesSimilar to E. coli enterochelin esterase (AAC73686.1); Blastp hit to AAC73686.1 (374 aa), 74% identity in aa 2 - 369. (404 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)
ybbSPutative LysR family transcriptional regulator; Positive regulator essential for the expression of allD operon. Binds to the allD promoter (By similarity). (308 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)
dksAdnaK suppressor protein; Transcription factor that acts by binding directly to the RNA polymerase (RNAP). Required for negative regulation of rRNA expression and positive regulation of several amino acid biosynthesis promoters. Also required for regulation of fis expression. (151 aa)
ftsQCell division protein; Essential cell division protein. May link together the upstream cell division proteins, which are predominantly cytoplasmic, with the downstream cell division proteins, which are predominantly periplasmic. May control correct divisome assembly. (276 aa)
ftsLCell division protein; Essential cell division protein. May link together the upstream cell division proteins, which are predominantly cytoplasmic, with the downstream cell division proteins, which are predominantly periplasmic. (121 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)
entESimilar to E. coli 2,3-dihydroxybenzoate-AMP ligase (AAC73695.1); Blastp hit to AAC73695.1 (536 aa), 86% identity in aa 1 - 534. (536 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
Server load: medium (42%) [HD]
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.