STRING protein interaction network
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 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
protein homology
Your Input:
Gene Fusion
ralRRac prophage; Toxic component of a type I toxin-antitoxin (TA) system. Upon overexpression inhibits growth and reduces colony-forming units in both the presence and absence of the Rac prophage, cells become filamentous. Has deoxyribonuclease activity (probably endonucleolytic), does not digest RNA. Its toxic effects are neutralized by sRNA antitoxin RalA, which is encoded in trans on the opposite DNA strand. Has RAL-like activity. (64 aa)    
Predicted Functional Partners:
DUF1187 family protein, Rac prophage; Helps to maintain the integrity of the chromosome by lowering the steady-state level of double strand breaks. This region of DNA acts as an antitoxin to toxin RalR, a DNase, but it seems to be sRNA RalA that has the antitoxin activity and not this putative protein. Therefore the identity of this as a protein-coding gene has been cast into doubt.
Killing protein, Rac prophage; Causes inhibition of cell division. At high levels of expression, can also abolish the rod shape of the cells. Division inhibition by KilR can be relieved by overexpression of the cell division protein FtsZ.
Rac prophage; Putative lambdoid prophage Rac excisionase.
Toxic peptide regulated by antisense sRNA symR; Toxic component of a type I toxin-antitoxin (TA) system. Involved in the degradation and recycling of damaged RNA. It is itself a target for degradation by the ATP-dependent protease Lon. Belongs to the SymE family.
UV-inducible membrane toxin, DinQ-AgrB type I toxin-antitoxin system; Belongs to the DinQ family.
Toxic membrane persister formation peptide, LexA-regulated; Toxic component of a type I toxin-antitoxin (TA) system (Probable). Overexpression causes cessation of growth, induces stress-response, a number of membrane protein genes, and leads to cell death. Inhibits ATP synthesis, ATP levels drop drastically quickly after induction. Part of the programmed response to DNA damage; damage leads to increased accumulation of the protein which slows or stops bacterial growth, probably allowing DNA repair before cells continue to grow.
RacC protein.
Rac prophage; Binds to single-stranded DNA and also promotes the renaturation of complementary single-stranded DNA. Function in recombination. Has a function similar to that of lambda RedB.
Toxic membrane protein; Toxic component of a type I toxin-antitoxin (TA) system. May be a toxic protein; overexpression causes cessation of growth and rapid membrane depolarization. Overexpression induces stress-response and a number of membrane protein genes.
Toxin of GhoTS toxin-antitoxin pair; Toxic component of a type V toxin-antitoxin (TA) system. Causes membrane damage when induced by MqsR, slowing cell growth and increasing the formation of dormant persister cells; involved with GhoS, its antitoxin, in reducing cell growth during antibacterial stress. Overexpression causes cell lysis, forming ghost cells; both effects are neutralized by expression of GhoS. Overexpression in the presence of ampicillin increases persister cell formation (persister cells exhibit antibiotic tolerance without genetic change). Overexpression causes about 90 [...]
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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