close STRING v12.5 is now available!
The next version of STRING is ready for use in your analyses: updated networks across STRING • newly available directed regulatory networks • a new typed view showing functional, physical, and regulatory edges in one network • new clustering options and cluster-based layouts • … and much more!
Explore STRING v12.5 →
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
btuCVitamin B12 transport protein; Part of the ABC transporter complex BtuCDF involved in vitamin B12 import. Involved in the translocation of the substrate across the membrane. (326 aa)    
Predicted Functional Partners:
btuF
Putative cobalamin periplasmic binding protein; Part of the ABC transporter complex BtuCDF involved in vitamin B12 import. Binds vitamin B12 and delivers it to the periplasmic surface of BtuC (By similarity).
 
 
 0.999
btuD
Vitamin B12 transport protein; Part of the ABC transporter complex BtuCDF involved in vitamin B12 import. Responsible for energy coupling to the transport system.
 0.999
btuB
Outer membrane receptor for transport of vitamin B12, E colicins, and bacteriophage BF23; Involved in the active translocation of vitamin B12 (cyanocobalamin) across the outer membrane to the periplasmic space. It derives its energy for transport by interacting with the trans- periplasmic membrane protein TonB; Belongs to the TonB-dependent receptor family. BtuB (TC 1.B.14.3.1) subfamily.
 
   
 0.928
btuE
Vitamin B12 transport protein; Non-specific peroxidase that can use thioredoxin or glutathione as a reducing agent.
 
  
 0.893
yadS
Putative inner membrane protein; Similar to E. coli orf, hypothetical protein (AAC73268.1); Blastp hit to AAC73268.1 (207 aa), 96% identity in aa 1 - 207.
      
 0.891
STM3142
Putative ferrichrome-binding periplasmic protein.
 
 
 
 0.878
fhuC
Hydroxymate-dependent iron transport; ABC superfamily (atp_bind); similar to E. coli ATP-binding component of hydroxymate-dependent iron transport (AAC73262.1); Blastp hit to AAC73262.1 (265 aa), 92% identity in aa 1 - 265.
   
 0.861
fepC
Enterobactin transporter; ABC superfamily (atp_bind); similar to E. coli ATP-binding component of ferric enterobactin transport (AAC73689.1); Blastp hit to AAC73689.1 (271 aa), 92% identity in aa 1 - 263.
     0.855
ydiU
Putative cytoplasmic protein; Catalyzes the transfer of adenosine 5'-monophosphate (AMP) to Ser, Thr or Tyr residues of target proteins (AMPylation).
    
 0.845
cbiH
Synthesis of vitamin B12 adenosyl cobalamide precursor; Methyltransferase that likely catalyzes the ring contraction and methylation of C-17 in cobalt-factor III to form cobalt-factor IV. May also convert cobalt-precorrin-3 to cobalt-precorrin-4.
     
 0.766
Your Current Organism:
Salmonella enterica Typhimurium
NCBI taxonomy Id: 99287
Other names: S. enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium LT2, Salmonella enterica subsp. enterica serovar Typhimurium str. LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2, Salmonella enterica subsp. enterica serovar Typhimurium strain LT2-LTL2, Salmonella typhimurium LT2
Server load: medium (46%) [HD]