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
nrfBNitrite reductase, formate-dependent, penta-heme cytochrome c; Plays a role in nitrite reduction. (188 aa)    
Predicted Functional Partners:
nrfA
Nitrite reductase, formate-dependent, cytochrome; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine. Has even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH (By similarity).
 
  
 0.998
nrfC
Formate-dependent nitrite reductase, 4Fe4S subunit; Probably involved in the transfer of electrons from the quinone pool to the type-c cytochromes.
 
  
 0.998
nrfD
Formate-dependent nitrite reductase, membrane subunit; Probably involved in the transfer of electrons from the quinone pool to the type-c cytochromes; Belongs to the NrfD family.
 
  
 0.993
nrfG
Heme lyase (NrfEFG) for insertion of heme into c552, subunit NrfG; Required for formate-dependent nitrite reduction. Not required for the biosynthesis of any of the c-type cytochromes nor for the secretion of the periplasmic cytochromes.
 
  
 0.979
nrfE
Heme lyase (NrfEFG) for insertion of heme into c552, subunit NrfE; May be required for the biogenesis of c-type cytochromes. Possible subunit of a heme lyase.
  
  
 0.966
nrfF
Heme lyase (NrfEFG) for insertion of heme into c552, subunit NrfF; Not required for the biosynthesis of any of the c-type cytochromes. Possible subunit of a heme lyase.
 
  
 0.956
napC
Quinol dehydrogenase, electron source for NapAB; Mediates electron flow from quinones to the NapAB complex.
 
 
 0.815
napH
Ferredoxin-type protein; Required for electron transfer from ubiquinol, via NapC, to the periplasmic nitrate reductase NapAB complex.
 
  
 0.756
nirD
Nitrite reductase (NADH) small subunit; Required for activity of the reductase. To B.subtilis NasE.
   
  
 0.737
stfR
Rac prophage; putative tail fiber protein; Belongs to the tail fiber family.
  
     0.718
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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