STRINGSTRING
STRING protein interaction network
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
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sarTStaphylococcal accessory regulator T, putative; Transcriptional regulator acting as an intermediary between major regulators sarA and agr and virulence genes. Represses alpha- hemolysin (hla) gene expression. Down-regulates agr RNAIII expression by repressing sarU, a positive activator of agr expression. Up- regulates sarS, which induces the expression of the cell wall- associated protein A (spa). (106 aa)    
Predicted Functional Partners:
lytM
Peptidoglycan hydrolase, putative; Peptidoglycan hydrolase (autolysin) specifically acting on polyglycine interpeptide bridges of the cell wall peptidoglycan. Belongs to the peptidase M23B family.
   
  
 0.755
glcB
PTS system glucose-specific IIABC component; The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active -transport system, catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. This system is involved in alpha- and beta-glucoside transport (By similarity).
   
 
 0.591
ptsG
PTS system, glucose-specific component; The phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar PTS), a major carbohydrate active transport system, catalyzes the phosphorylation of incoming sugar substrates concomitantly with their translocation across the cell membrane. This system is involved in glucose transport.
   
 
 0.531
sasG
Conserved hypothetical protein; Promotes adhesion of bacterial cells to human squamous nasal epithelial cells, a phenomenon which is likely to be important in nasal colonization. Forms short, extremely dense and thin fibrils all over the bacterial surface. Does not bind to either buccal cells or non- differentiated keratinocytes. Promotes cellular aggregation leading to biofilm formation.
     
 0.512
sarV
Conserved hypothetical protein; Part of the pathway by which MgrA and SarA control autolysis. Involved in regulation of virulence and autolysis genes such as hla, splA, aur, scp, lrgB, scdA and atl. May also act as an activator for the expression of regulatory genes agr, lytSR and ArlRS.
      
 0.510
sarX
Conserved hypothetical protein; Involved in the regulation of virulence genes. Acts as a repressor of the agr locus and consequently targets genes regulated by the agr system such as sspA, hla and hlb. Binds directly to the agr promoter region.
      
 0.457
hly
Alpha-hemolysin precursor; Alpha-toxin binds to the membrane of eukaryotic cells resulting in the release of low-molecular weight molecules and leading to an eventual osmotic lysis. Inhibits host neutrophil chemotaxis to the lesion region (Probable). Heptamer oligomerization and pore formation is required for lytic activity (By similarity). Belongs to the aerolysin family.
      
 0.455
sarR
Conserved hypothetical protein; Negative regulator of sarA transcription at late exponential and stationary growth phases. It contributes to the modulation of target genes downstream of the sarA regulatory cascade. Also, positively regulates expression of primary transcripts RNAII and RNAIII generated by agr (virulence accessory gene regulator) locus.
      
 0.455
sarU
Conserved hypothetical protein; Positive regulator of RNAII and RNAIII in a cell density- dependent manner. It can contribute to the expression of virulence genes controlled by agr. May also regulate target genes via an agr- independent pathway.
     
0.452
Your Current Organism:
Staphylococcus aureus
NCBI taxonomy Id: 93061
Other names: S. aureus subsp. aureus NCTC 8325, Staphylococcus aureus NCTC 8325, Staphylococcus aureus subsp. aureus NCTC 8325, Staphylococcus aureus subsp. aureus str. NCTC 8325, Staphylococcus aureus subsp. aureus strain NCTC 8325
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