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ompR | Response 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) | ||||
phoP | Response 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) | ||||
phoQ | Sensory 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) | ||||
fimH | Minor fimbrial subunit; Involved in regulation of length and mediation of adhesion of type 1 fimbriae (but not necessary for the production of fimbriae). A mannose-binding adhesin (By similarity). Belongs to the fimbrial protein family. (335 aa) | ||||
shdA | C-terminal region of AIDA-like protein; IcsA; subspecies I specific; Peyer's patch colonization and shedding factor; ShdA (gi|5107805). (2039 aa) | ||||
yggA | Putative LYSE family amino acid transport protein; Involved in the export of arginine. Important to control the intracellular level of arginine and the correct balance between arginine and lysine (By similarity); Belongs to the LysE/ArgO transporter (TC 2.A.75) family. (211 aa) | ||||
STM3120 | Putative LysR family transcriptional regulator; Similar to E. coli citrate lyase beta chain (acyl lyase subunit) (AAC73717.1); Blastp hit to AAC73717.1 (307 aa), 31% identity in aa 20 - 299; Belongs to the HpcH/HpaI aldolase family. (280 aa) | ||||
misL | Putative autotransported protein; Pathogenicity island encoded protein: SPI3; MisL (gi|4324610). (955 aa) | ||||
mgtC | Mg2+ transport protein; Virulence factor required for growth in low Mg(2+) medium and for intramacrophage survival. May be involved in regulating membrane potential by activating Na(+)/K(+)-ATPase. Belongs to the MgtC/SapB family. (231 aa) | ||||
ssrA | Secretion system regulator: Sensor component; SpiR (gi|1498305). (920 aa) | ||||
slyA | MarR 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) | ||||
asr | Acid shock protein; Required for growth and/or survival at acidic conditions. (94 aa) | ||||
yeiA | Putative dihydropyrimidine dehydrogenase; Involved in pyrimidine base degradation. Catalyzes physiologically the reduction of uracil to 5,6-dihydrouracil (DHU) by using NADH as a specific cosubstrate. It also catalyzes the reverse reaction and the reduction of thymine to 5,6-dihydrothymine (DHT) (By similarity). (411 aa) | ||||
argT | Lysine/arginine/ornithine transport protein; Part of an ABC transporter involved in lysine, arginine and ornithine transport. Stimulates ATPase activity of HisP. (260 aa) | ||||
csrA | Carbon storage regulator; A key translational regulator that binds mRNA to regulate translation initiation and/or mRNA stability. Mediates global changes in gene expression, shifting from rapid growth to stress survival by linking envelope stress, the stringent response and the catabolite repression systems. Usually binds in the 5'-UTR; binding at or near the Shine-Dalgarno sequence prevents ribosome-binding, repressing translation, binding elsewhere in the 5'-UTR can activate translation and/or stabilize the mRNA. Its function is antagonized by small RNA(s). (61 aa) | ||||
hilC | araC 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) | ||||
prgK | Cell invasion protein; Required for invasion of epithelial cells. Could be involved in protein secretion; Belongs to the YscJ lipoprotein family. (252 aa) | ||||
prgI | Cytoplasmic cell invasion protein; Required for invasion of epithelial cells; Belongs to the MxiH/PrgI/YscF family. (80 aa) | ||||
prgH | Cell invasion protein; Required for invasion of epithelial cells. (392 aa) | ||||
sipD | Cell 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) | ||||
sipC | Cell 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) | ||||
sipB | Cell 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) | ||||
spaO | Surface 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. (303 aa) | ||||
invJ | Surface 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; Belongs to the SpaN family. (336 aa) | ||||
invG | Outer 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) | ||||
ssrB | Secretion system regulator: transcriptonal activator; Homologous with degU/uvrY/bvgA; SsrB (gi|2765824). (212 aa) | ||||
rpoS | Sigma 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) |