STRINGSTRING
ssaB ssaB STM1330 STM1330 aadA aadA purR purR polB polB hofC hofC stbA stbA hha hha fepA fepA sopD2 sopD2 sseI sseI sopB sopB srfJ srfJ mutL mutL sugE sugE recQ recQ uvrD uvrD misL misL feoB feoB feoA feoA exbB exbB exbD exbD stdA stdA stdB stdB mutH mutH sopD sopD invB invB sipB sipB sipC sipC sipD sipD sipA sipA sptP sptP avrA avrA pipB2 pipB2 fljB fljB sinH sinH ratB ratB shdA shdA cvpA cvpA sspH2 sspH2 spr spr cirA cirA yegO yegO sopA sopA fliD fliD fliC fliC sopE2 sopE2 marR marR sseG sseG
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:
ssaBSecretion system apparatus protein; Virulence protein that plays a central role in mammalian macrophage infection, by inhibiting phagosome-lysosome fusion and cellular trafficking. May act by disrupting the function of the mammalian HOOK3 protein, a protein involved in the cellular traffic. (133 aa)
STM1330Putative DNA/RNA non-specific endonuclease. (284 aa)
aadAAminoglycoside adenyltransferase; Mediates bacterial resistance to the antibiotics streptomycin and spectomycin. (262 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)
polBDNA polymerase II; 3'->5' exonuclease; similar to E. coli DNA polymerase II (AAC73171.1); Blastp hit to AAC73171.1 (783 aa), 89% identity in aa 1 - 783. (783 aa)
hofCSimilar to E. coli putative integral membrane protein involved in biogenesis of fimbriae, protein transport, DNA uptake (AAC73217.1); Blastp hit to AAC73217.1 (400 aa), 67% identity in aa 1 - 400. (400 aa)
stbAPutative fimbriae; Similar to E. coli major type 1 subunit fimbrin (pilin) (AAC77270.1); Blastp hit to AAC77270.1 (182 aa), 28% identity in aa 1 - 182. (178 aa)
hhaHemolysin expression modulating protein (involved in environmental regulation of virulence factors); Interacts with H-NS and in this complex might contact DNA, which could provide an additional surface for DNA binding to the H-NS- Hha complex; may not bind DNA in the absence of H-NS. In vitro improves the ability of H-NS to bind DNA under a precise set of conditions. (72 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)
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)
sseIGifsy-2 prophage putative type III secreted protein; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. This protein is required to maintain a long-term chronic systemic infection in mice. It inhibits normal cell migration of primary macrophages and dendritic cells, by a mechanism that involves interaction with the host factor IQGAP1, an important regulator of the cytoskeleton and cell migration. Also accelerates the systemic spread of infection from the gastrointestinal tract to the bloodstream, probably by interacting with host TRIP6. (322 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)
srfJActivated by transcription factor SsrB; Similar to Homo sapiens lysosomal glucosyl ceramidase; SrfJ (gi|8347262); Belongs to the glycosyl hydrolase 30 family. (447 aa)
mutLEnzyme in methyl-directed mismatch repair; This protein is involved in the repair of mismatches in DNA. It is required for dam-dependent methyl-directed DNA mismatch repair. May act as a 'molecular matchmaker', a protein that promotes the formation of a stable complex between two or more DNA-binding proteins in an ATP-dependent manner without itself being part of a final effector complex. (618 aa)
sugEPutative DMT superfamily transport protein; Guanidinium ion exporter. Couples guanidinium export to the proton motive force, exchanging one guanidinium ion for two protons. Belongs to the drug/metabolite transporter (DMT) superfamily. Small multidrug resistance (SMR) (TC 2.A.7.1) family. Gdx/SugE subfamily. (105 aa)
recQATP-dependent DNA helicase; Involved in the RecF recombination pathway; its gene expression is under the regulation of the SOS system. It is a DNA helicase; Belongs to the helicase family. RecQ subfamily. (615 aa)
uvrDDNA-dependent ATPase I and helicase II; Has both ATPase and helicase activities. Unwinds DNA duplexes with 3' to 5' polarity with respect to the bound strand and initiates unwinding most effectively when a single-stranded region is present. Involved in the post-incision events of nucleotide excision repair and methyl-directed mismatch repair; Belongs to the helicase family. UvrD subfamily. (720 aa)
misLPutative autotransported protein; Pathogenicity island encoded protein: SPI3; MisL (gi|4324610). (955 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)
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)
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)
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)
stdASimilar to E. coli putative fimbrial-like protein (AAC73813.1); Blastp hit to AAC73813.1 (188 aa), 32% identity in aa 8 - 187. (236 aa)
stdBSimilar to E. coli putative membrane protein (AAC76082.1); Blastp hit to AAC76082.1 (821 aa), 42% identity in aa 20 - 817. (829 aa)
mutHMethyl-directed mismatch repair protein; Sequence-specific endonuclease that cleaves unmethylated GATC sequences. It is involved in DNA mismatch repair; Belongs to the MutH family. (231 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)
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)
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)
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)
sipDCell invasion protein; Required for translocation of effector proteins via the type III secretion system SPI-1, which is essential for an efficient bacterial internalization. Probably acts by modulating the secretion of SipA, SipB, and SipC. (343 aa)
sipACell invasion protein; Actin-binding protein that interferes with host cell actin cytoskeleton. It stimulates actin polymerization and counteracts F- actin destabilizing proteins. Potentiates SipC activity; both are required for an efficient bacterial internalization. In vitro, forms a complex with host cell protein T-plastin increasing actin bundling. It inhibits ADF/cofilin-directed depolymerization both by preventing binding of ADF and cofilin and by displacing them from F-actin. Also protects F-actin from gelsolin-directed severing and reanneals gelsolin-severed F-actin fragments; [...] (685 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)
avrAPutative inner membrane protein. (302 aa)
pipB2pipB-like protein; Effector proteins function to alter host cell physiology and promote bacterial survival in host tissues. Involved in the reorganization of late endosome/lysosome (LE/Lys) compartments in mammalian cells. Necessary and sufficient to link kinesin-1 onto the Salmonella-containing vacuole (SCV) membrane. Required for centrifugal extension of lysosomal glycoprotein-rich membrane tubules, known as Salmonella-induced filaments (Sifs), away from the SCV and toward the cell periphery. Required for virulence, but not for intracellular survival and replication in phagocytic cells. (350 aa)
fljBFilament structural protein; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (506 aa)
sinHSinH; Similar to Escherichia coli intimin and Yersinia pestis invasin proteins; (gi|4583531). (730 aa)
ratBPutative outer membrane protein; RatB (gi|5107806). (2435 aa)
shdAC-terminal region of AIDA-like protein; IcsA; subspecies I specific; Peyer's patch colonization and shedding factor; ShdA (gi|5107805). (2039 aa)
cvpASimilar to E. coli membrane protein required for colicin V production (AAC75373.1); Blastp hit to AAC75373.1 (162 aa), 96% identity in aa 1 - 161. (162 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)
sprPutative lipoprotein; Suppresses thermosensitivity of prc mutants at low osmolality; similar to E. coli putative lipoprotein (AAC75236.1); Blastp hit to AAC75236.1 (188 aa), 92% identity in aa 1 - 188. (190 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)
yegOPutative resistance protein; Efflux transporter; outer membrane; similar to E. coli orf, hypothetical protein (AAC75137.1); Blastp hit to AAC75137.1 (1025 aa), 91% identity in aa 1 - 1025; Belongs to the resistance-nodulation-cell division (RND) (TC 2.A.6) family. MdtC subfamily. (1026 aa)
sopASecreted effector protein of Salmonella; 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. Required for inducing polymorphonuclear leukocytes migration across the intestinal epithelium. Preferentially uses host UBE2D1 (UBCH5A), UBE2D2 (UBCH5B) and UBE2L3 (UBCH7) as E2 ubiquitin-conjugating enzymes. (782 aa)
fliDFilament capping protein; Required for the morphogenesis and for the elongation of the flagellar filament by facilitating polymerization of the flagellin monomers at the tip of growing filament. Forms a capping structure, which prevents flagellin subunits (transported through the central channel of the flagellum) from leaking out without polymerization at the distal end; Belongs to the FliD family. (467 aa)
fliCFlagellar biosynthesis; Flagellin is the subunit protein which polymerizes to form the filaments of bacterial flagella. (495 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)
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)
sseGSecretion system effector; SseG (gi|3377858). (229 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: low (22%) [HD]