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sipC sipC fepA fepA entF entF fepB fepB entB entB tolB tolB bioA bioA sopD2 sopD2 mukB mukB sopB sopB potD potD phoQ phoQ phoP phoP pagC pagC ynhA ynhA ssrB ssrB ssrA ssrA slyA slyA ydcW ydcW ydcR ydcR pdgL pdgL sseJ sseJ sopE2 sopE2 znuA znuA fliZ fliZ fliC fliC cirA cirA sspH2 sspH2 sseL sseL fljB fljB iroB iroB hilC hilC prgI prgI prgH prgH sptP sptP sipB sipB invB invB invG invG sopD sopD yqhE yqhE ugpB ugpB lysC lysC phnO phnO phoN phoN msrA msrA
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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
co-expression
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sipCCell invasion protein; Actin-binding protein that interferes with host cell actin cytoskeleton. Nucleates actin polymerization and condensates actin filaments into cables (bundling). SipA potenciates SipC activity and both are required for an efficient bacterial internalization by the host cell. (409 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)
entFEnterobactin synthetase, component F (nonribosomal peptide synthetase); Similar to E. coli ATP-dependent serine activating enzyme (may be part of enterobactin synthase as component F) (AAC73687.1); Blastp hit to AAC73687.1 (1293 aa), 79% identity in aa 1 - 1293. (1294 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)
entBSimilar to E. coli 2,3-dihydro-2,3-dihydroxybenzoate synthetase, isochroismatase (AAC73696.1); Blastp hit to AAC73696.1 (285 aa), 88% identity in aa 1 - 285. (285 aa)
tolBTol protein required for 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. TolB occupies a key intermediary position in the Tol-Pal system because it communicates directly with both membrane-embedded components, Pal in the outer membrane and TolA in the inner membrane. (430 aa)
bioA7,8-diaminopelargonic acid synthetase; Catalyzes the transfer of the alpha-amino group from S- adenosyl-L-methionine (SAM) to 7-keto-8-aminopelargonic acid (KAPA) to form 7,8-diaminopelargonic acid (DAPA). It is the only animotransferase known to utilize SAM as an amino donor; Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family. BioA subfamily. (429 aa)
sopD2Homologous to secreted protein sopD; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. Contributes to the formation of Salmonella-induced filaments (Sifs) in infected epithelial cells and to replication in macrophages. (319 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)
sopBPathogenicity island encoded protein: SPI5; Converts phosphatidylinositol 3,4,5-trisphosphate (PtdIns 3,4,5-P3) to PtdIns 3-P and prevents the transition of PtdIns 3-P to PtdIns 3,5-P2. It is one of the known effectors injected by Salmonella into the host cell and is required for invasion and for an efficient generation and maintenance of Salmonella-containing vacuole (SVC). Alteration of the phosphoinositide composition of the plasma membrane causes membrane ruffling and actin cytoskeleton rearrangements. The persistence of PtdIns 3-P diverts the SCV from the endocytic pathway resulti [...] (561 aa)
potDSpermidine/putrescine transporter; Required for the activity of the bacterial periplasmic transport system of putrescine and spermidine. Polyamine binding protein; Belongs to the bacterial solute-binding protein PotD/PotF family. (348 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)
pagCReduced macrophage survival protein; Essential for full virulence and survival within macrophages; Belongs to the outer membrane OOP (TC 1.B.6) superfamily. Ail family. (185 aa)
ynhAPutative SufE protein; Participates in cysteine desulfuration mediated by SufS. Cysteine desulfuration mobilizes sulfur from L-cysteine to yield L- alanine and constitutes an essential step in sulfur metabolism for biosynthesis of a variety of sulfur-containing biomolecules. Functions as a sulfur acceptor for SufS, by mediating the direct transfer of the sulfur atom from the S-sulfanylcysteine of SufS, an intermediate product of cysteine desulfuration process; Belongs to the SufE family. (138 aa)
ssrBSecretion system regulator: transcriptonal activator; Homologous with degU/uvrY/bvgA; SsrB (gi|2765824). (212 aa)
ssrASecretion system regulator: Sensor component; SpiR (gi|1498305). (920 aa)
slyAMarR family transcriptional regulator for hemolysin; Transcription regulator that can specifically activate or repress expression of target genes. Required for virulence and survival in the macrophage environment. Probably activates expression of ispA, xseB genes, and of omp operon. (146 aa)
ydcWPutative aldehyde dehydrogenase; Catalyzes the oxidation 4-aminobutanal (gamma- aminobutyraldehyde) to 4-aminobutanoate (gamma-aminobutyrate or GABA). This is the second step in one of two pathways for putrescine degradation, where putrescine is converted into 4-aminobutanoate via 4- aminobutanal. Also functions as a 5-aminopentanal dehydrogenase in a a L-lysine degradation pathway to succinate that proceeds via cadaverine, glutarate and L-2-hydroxyglutarate. (481 aa)
ydcRPutative gntR family regulatory protein; Similar to E. coli multi modular; putative transcriptional regulator; also putative ATP-binding component of a transport system (AAC74521.1); Blastp hit to AAC74521.1 (468 aa), 87% identity in aa 1 - 468. (474 aa)
pdgLPeriplasmic dipeptidase; Catalyzes hydrolysis of the D-alanyl-D-alanine dipeptide. (256 aa)
sseJSalmonella translocated effector; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. This protein is required for endosomal tubulation and negatively regulates the formation of Salmonella-induced filaments (Sifs) in epithelial cells. Has both deacylase and esterification activities in vitro, but esterification is probably the dominant activity in host cells. Significantly contributes to cholesterol esterification, which reduces cellular cholesterol in cells and abrogates the ability of SifA to associate with cholesterol and LAMP-1 v [...] (408 aa)
sopE2TypeIII-secreted protein effector: invasion-associated protein; Activator for CDC42 by directly engaging this Rho GTPase and acting as potent guanine nucleotide exchange factor (GEF). This activation results in actin cytoskeleton rearrangements and stimulates membrane ruffling, promoting bacterial entry into non-phagocytic cells. Also activates NF-kB, p38 and ERK kinases, which are known to be involved in the induction of IL-8 expression. Chaperone InvB is required for secretion, translocation and stabilization of intracellular levels of sopE2. (240 aa)
znuAABC superfamily high affinity Zn transport protein; Binding protein; similar to E. coli putative adhesin (AAC74927.1); Blastp hit to AAC74927.1 (328 aa), 85% identity in aa 1 - 328. (333 aa)
fliZPutative regulator of FliA; May regulate sigma factor activity. (183 aa)
fliCFlagellar biosynthesis; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (495 aa)
cirAOuter membrane porin; Receptor for colicin I; requires TonB; similar to E. coli outer membrane receptor for iron-regulated colicin I receptor; porin; requires tonB gene product (AAC75216.1); Blastp hit to AAC75216.1 (663 aa), 88% identity in aa 1 - 663. (663 aa)
sspH2Leucine-rich repeat protein; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. This protein is an E3 ubiquitin ligase that interferes with host's ubiquitination pathway. (788 aa)
sseLPutative cytoplasmic protein; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. This protease targets the host cell ubiquitin pathway by acting as a deubiquitinase in infected host cells. Specifically hydrolyzes mono- and polyubiquitin substrates in vitro with a preference for 'Lys-63'-linked ubiquitin chains, suggesting that it interferes with a signaling pathway rather than inhibiting proteasomal-dependent degradation of its targets. Does not possess desumoylating activity. Is required for the Salmonella-induced delayed cytotoxic [...] (317 aa)
fljBFilament structural protein; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (506 aa)
iroBPutative glycosyl transferase; Related to UDP-glucuronosyltransferase. (371 aa)
hilCaraC family bacterial regulatory helix-turn-helix protein; Positive regulator of the expression of the invasion- associated type III secretion system encoded within SPI-1 (pathogenicity island 1). (295 aa)
prgICytoplasmic cell invasion protein; Required for invasion of epithelial cells; Belongs to the MxiH/PrgI/YscF family. (80 aa)
prgHCell invasion protein; Required for invasion of epithelial cells. (392 aa)
sptPProtein tyrosine phosphate; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. This protein includes tyrosine phosphatase and GTPase activating protein (GAP) activities. After bacterial internalization, GAP mediates the reversal of the cytoskeletal changes induced by SopE. This function is independent of its tyrosine phosphatase activity, which remains unclear. In the N-terminal section; belongs to the YopE family. (543 aa)
sipBCell invasion protein; Required for entry into the host cell through presentation or delivery of SipC at the host cell plasma membrane. Along with SipC, is necessary for the transfer of other effector proteins into the host cell. Induces macrophage apoptosis either by binding and activating the proapoptotic enzyme caspase-1 (caspase-1 dependent), resulting in the release of interleukin-1 beta active form, or by disrupting mitochondria and inducing autophagy (caspase-1 independent). The former is dependent of its membrane-fusion activity. The SipBC complex, in association with its chape [...] (593 aa)
invBSurface presentation of antigens; Involved in a secretory pathway responsible for the surface presentation of determinants needed for the entry of Salmonella species into mammalian cells. Chaperone specialized in the storage of effectors within the bacterial cytoplasm, maintaining them in a secretion- competent state, and allowing their immediate delivery to target cells upon contact of the bacterium with the host cells. Has been shown to chaperone SopA, SopE, SopE2 and SipA; Belongs to the SpaK family. (135 aa)
invGOuter membrane invasion protein; Component of the type III secretion system (T3SS), also called injectisome, which is used to inject bacterial effector proteins into eukaryotic host cells. Forms a ring-shaped multimeric structure with an apparent central pore in the outer membrane. (562 aa)
sopDSecreted protein in the Sop family; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. Contributes to replication in macrophages. Plays a role, cooperatively with SopB, in membrane fission and macropinosome formation during invasion. (317 aa)
yqhE2,5-diketo-D-gluconate reductase A; Catalyzes the reduction of 2,5-diketo-D-gluconic acid (25DKG) to 2-keto-L-gulonic acid (2KLG). (275 aa)
ugpBSn-glycerol 3-phosphate transport protein; sn-glycerol-3-phosphate and glycerophosphoryl diester-binding protein interacts with the binding protein-dependent transport system UgpACE. (438 aa)
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)
phnOPutative regulator in phn operon; Aminoalkylphosphonate N-acetyltransferase which is able to acetylate a range of aminoalkylphosphonic acids, including (S)-1- aminoethylphosphonate ((S)-1AEP) and 2-aminoethylphosphonate, using acetyl-CoA as acetyl donor. Its physiological role in S.typhimurium is unclear. However, by acetylating (S)-1AEP, PhnO would protect against the deleterious effects of (S)-1AEP, a structural analog of D-alanine that has antibacterial properties. (154 aa)
phoNNonspecific acid phosphatase precursor. (SW:PHON_SALTY). (250 aa)
msrAPeptide methionine sulfoxide reductase; Has an important function as a repair enzyme for proteins that have been inactivated by oxidation. Catalyzes the reversible oxidation-reduction of methionine sulfoxide in proteins to methionine. (212 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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