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smpB protein (Bifidobacterium adolescentis) - STRING interaction network
"smpB" - SsrA-binding protein in Bifidobacterium adolescentis
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
filled nodes:
some 3D structure is known or predicted
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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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smpBSsrA-binding protein; Required for rescue of stalled ribosomes mediated by trans-translation. Binds to transfer-messenger RNA (tmRNA), required for stable association of tmRNA with ribosomes. tmRNA and SmpB together mimic tRNA shape, replacing the anticodon stem-loop with SmpB. tmRNA is encoded by the ssrA gene; the 2 termini fold to resemble tRNA(Ala) and it encodes a "tag peptide", a short internal open reading frame. During trans-translation Ala- aminoacylated tmRNA acts like a tRNA, entering the A-site of stalled ribosomes, displacing the stalled mRNA. The ribosome then switches to [...] (159 aa)    
Predicted Functional Partners:
rpsB
annotation not available (272 aa)
 
 
  0.843
rpsC
30S ribosomal protein S3; Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation (267 aa)
 
 
  0.838
rplS
50S ribosomal protein L19; This protein is located at the 30S-50S ribosomal subunit interface and may play a role in the structure and function of the aminoacyl-tRNA binding site (121 aa)
 
 
  0.838
rpoB
DNA-directed RNA polymerase subunit beta; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates (1186 aa)
   
   
  0.814
trmD
tRNA (guanine-N(1)-)-methyltransferase; Specifically methylates guanosine-37 in various tRNAs; Belongs to the RNA methyltransferase TrmD family (306 aa)
 
   
  0.793
rpoA
DNA-directed RNA polymerase subunit alpha; DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates (332 aa)
 
   
  0.793
polA
DNA polymerase I; In addition to polymerase activity, this DNA polymerase exhibits 5’-3’ exonuclease activity (948 aa)
 
     
  0.786
dnaG
DNA primase; RNA polymerase that catalyzes the synthesis of short RNA molecules used as primers for DNA polymerase during DNA replication (695 aa)
 
   
  0.769
rplT
50S ribosomal protein L20; Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit (127 aa)
   
 
  0.767
rplB
50S ribosomal protein L2; One of the primary rRNA binding proteins. Required for association of the 30S and 50S subunits to form the 70S ribosome, for tRNA binding and peptide bond formation. It has been suggested to have peptidyltransferase activity; this is somewhat controversial. Makes several contacts with the 16S rRNA in the 70S ribosome (276 aa)
 
 
  0.763
Your Current Organism:
Bifidobacterium adolescentis
NCBI taxonomy Id: 1680
Other names: AS 1.2190, ATCC 15703, B. adolescentis, BCRC 14606, Bifidobacterium adolescentis, CCRC 14606, CCUG 17359, CCUG 18363, CIP 64.59, DSM 20083, LMG 10502, NCAIM B.01822, NCTC 11814
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