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
Your Input:
Neighborhood
Gene Fusion
Cooccurrence
Coexpression
Experiments
Databases
Textmining
[Homology]
Score
ycjYUncharacterized protein YcjY; Pseudogene fragment, MhpC family. (306 aa)    
Predicted Functional Partners:
pgrR
Murein peptide degradation regulator; Regulates the expression of genes involved in peptidoglycan (PG) degradation. Could play a role in switch control between recycling and degradation of PG peptides. Negatively regulates the expression of the ycjY-ymjD-ymjC-mpaA operon by binding to the PgrR-box. In addition, other genes are predicted to be under the control of PgrR, including genes related to membrane formation and function.
 
  
 0.980
ysgA
Putative enzyme.
     
 0.810
mpaA
Murein peptide amidase A; Involved in muropeptide degradation. Catalyzes the hydrolysis of the gamma-D-glutamyl-diaminopimelic acid (gamma-D-Glu-Dap) amide bond in the murein tripeptide L-alanyl-gamma-D-glutamyl-meso- diaminopimelic acid, leading to the formation of L-Ala-gamma-D-Glu and Dap. Has weak activity with L-Ala- gamma-D-Glu-L-Lys, MurNAc-tripeptide and gamma-D-Glu-meso-Dap. Cannot hydrolyze murein tetrapeptide ; Belongs to the peptidase M14 family.
  
  
 0.784
mppA
Murein tripeptide (L-ala-gamma-D-glutamyl-meso-DAP) transporter subunit; Essential for the uptake of the murein peptide L-alanyl- gamma-D-glutamyl-meso-diaminopimelate. Also transports some alpha- linked peptides such as Pro-Phe-Lys with low affinity. The transport is effected by the oligopeptide permease system; Belongs to the bacterial solute-binding protein 5 family.
  
  
 0.691
yciX
Uncharacterized protein.
      
 0.645
ydcS
Putative ABC transporter periplasmic binding protein; Catalyzes the formation of short polymers of R-3- hydroxybutyrate (cPHB). Involved in natural transformation. Probably part of the ABC transporter complex YdcSTUV. During natural transformation, may bind dsDNA and convey it to the inner membrane channel formed by YdcV (Probable). Belongs to the bacterial solute-binding protein PotD/PotF family.
   
  
 0.624
ycjG
L-Ala-D/L-Glu epimerase; Catalyzes the epimerization of L-Ala-D-Glu to L-Ala-L-Glu and has a role in the recycling of the murein peptide, of which L-Ala-D-Glu is a component. Is also able to catalyze the reverse reaction and the epimerization of all the L-Ala-X dipeptides, except L-Ala-L-Arg, L-Ala- L-Lys and L-Ala-L-Pro. Is also active with L-Gly-L-Glu, L-Phe-L-Glu, and L-Ser-L-Glu, but not with L-Glu-L-Glu, L-Lys-L-Glu, L-Pro-L-Glu, L- Lys-L-Ala, or D-Ala-D-Ala; Belongs to the mandelate racemase/muconate lactonizing enzyme family.
   
  
 0.614
yciY
Uncharacterized protein; Belongs to the YciY family.
      
 0.600
ymiA
Uncharacterized protein.
      
 0.544
yedI
DUF808 family inner membrane protein.
      
 0.517
Your Current Organism:
Escherichia coli K12
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli MG1655, Escherichia coli str. K-12 substr. MG1655, Escherichia coli str. K12 substr. MG1655, Escherichia coli str. MG1655, Escherichia coli strain MG1655
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STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.