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:
some 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 each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
protein homology
Your Input:
Gene Fusion
deoRDeoxyribose operon repressor; This protein is one of the repressors that regulate the expression of deoCABD genes, which encode nucleotide and deoxy ribonucleotide catabolizing enzymes. It also negatively regulates the expression of nupG (a transport protein) and tsx (a pore- forming protein). The inducer is deoxyribose-5-phosphate (252 aa)    
Predicted Functional Partners:
HTH-type transcriptional repressor CytR; This protein negatively controls the transcription initiation of genes such as deoCABD, udp, and cdd encoding catabolizing enzymes and nupC, nupG, and tsx encoding transporting and pore-forming proteins. Binds cytidine and adenosine as effectors
Ornithine carbamoyltransferase subunit F; Reversibly catalyzes the transfer of the carbamoyl group from carbamoyl phosphate (CP) to the N(epsilon) atom of ornithine (ORN) to produce L-citrulline, which is a substrate for argininosuccinate synthetase, the enzyme involved in the final step in arginine biosynthesis
L-fucose operon activator; Transcriptional activator of the fuc operon
Nucleoside permease NupG; Broad-specificity transporter of purine and pyrimidine nucleosides. Driven by a proton motive force. Can transport uridine, adenosine, inosine, guanosine, thymidine and cytidine. Can also transport xanthosine, but with a very low affinity; Belongs to the major facilitator superfamily. Nucleoside:H(+) symporter (NHS) (TC 2.A.1.10) family
Mrr restriction system protein; Involved in the acceptance of foreign DNA which is modified. Restricts both adenine- and cytosine-methylated DNA
Thymidine phosphorylase; The enzymes which catalyze the reversible phosphorolysis of pyrimidine nucleosides are involved in the degradation of these compounds and in their utilization as carbon and energy sources, or in the rescue of pyrimidine bases for nucleotide synthesis; Belongs to the thymidine/pyrimidine-nucleoside phosphorylase family
5-methylcytosine-specific restriction enzyme A; Restriction of 5-methyl and 5-hydroxymethylcytosines at the specific DNA sequence C(me)CGG
UTP--glucose-1-phosphate uridylyltransferase; May play a role in stationary phase survival; Belongs to the UDPGP type 2 family
Galactokinase; Catalyzes the transfer of the gamma-phosphate of ATP to D-galactose to form alpha-D-galactose-1-phosphate (Gal-1-P). To a lesser extent, is also able to phosphorylate 2-deoxy-D-galactose and D-galactosamine. Is not able to use D-galacturonic acid, D- talose, L-altrose, and L-glucose as substrates
30S ribosomal protein S12; With S4 and S5 plays an important role in translational accuracy; Belongs to the universal ribosomal protein uS12 family
Your Current Organism:
Escherichia coli K12 MG1655
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli K12 MG1655, Escherichia coli K12 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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