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.
Knowledge-based Evidence
from curated databases
textmining
Assay-based Predictions
experimentally determined
co-expression
Genomic Predictions
gene neighborhood
gene co-occurrence
gene fusions
Your Input:
Neighborhood
Gene Fusion
Co-occurrence
Co-expression
Experiments
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[Homology]
Score
metE5-methyltetrahydropteroyltriglutamate- homocysteine methyltransferase (metE); Catalyzes the transfer of a methyl group from 5- methyltetrahydrofolate to homocysteine resulting in methionine formation; Belongs to the vitamin-B12 independent methionine synthase family. (756 aa)    
Predicted Functional Partners:
metK
S-adenosylmethionine synthetase (metX); Catalyzes the formation of S-adenosylmethionine (AdoMet) from methionine and ATP. The overall synthetic reaction is composed of two sequential steps, AdoMet formation and the subsequent tripolyphosphate hydrolysis which occurs prior to release of AdoMet from the enzyme.
  
 0.989
metC
Cystathionine beta-lyase (metC); Catalyzes the cleavage of cystathionine to homocysteine, pyruvate and ammonia during methionine biosynthesis.
  
 
 0.980
thrA
Aspartokinase I / homoserine dehydrogenase I (thrA); Similar to SP:P00561 GB:M10644 GB:V00360 GB:V00361 PID:147979 percent identity: 62.21; identified by sequence similarity; putative; In the C-terminal section; belongs to the homoserine dehydrogenase family.
  
 
 0.976
luxS
Conserved hypothetical protein; Involved in the synthesis of autoinducer 2 (AI-2) which is secreted by bacteria and is used to communicate both the cell density and the metabolic potential of the environment. The regulation of gene expression in response to changes in cell density is called quorum sensing. Catalyzes the transformation of S-ribosylhomocysteine (RHC) to homocysteine (HC) and 4,5-dihydroxy-2,3-pentadione (DPD); Belongs to the LuxS family.
    
 0.967
metB
Cystathionine gamma-synthase (metB); Catalyzes the formation of L-cystathionine from O-succinyl-L- homoserine (OSHS) and L-cysteine, via a gamma-replacement reaction. In the absence of thiol, catalyzes gamma-elimination to form 2- oxobutanoate, succinate and ammonia (By similarity).
  
 
 0.962
cysK
Cysteine synthetase (cysK); Similar to GB:M21451 SP:P11096 GB:X12615 PID:145686 PID:41201 percent identity: 70.65; identified by sequence similarity; putative; Belongs to the cysteine synthase/cystathionine beta- synthase family.
   
 
 0.954
metF
5,10 methylenetetrahydrofolate reductase (metF); Similar to GB:L19201 SP:P00394 GB:V01502 PID:305044 PID:42000 percent identity: 73.10; identified by sequence similarity; putative; Belongs to the methylenetetrahydrofolate reductase family.
 
 
 0.941
metG
methionyl-tRNA synthetase (metG); Is required not only for elongation of protein synthesis but also for the initiation of all mRNA translation through initiator tRNA(fMet) aminoacylation.
     
 0.937
ilvA
Threonine deaminase (ilvA); Catalyzes the anaerobic formation of alpha-ketobutyrate and ammonia from threonine in a two-step reaction. The first step involved a dehydration of threonine and a production of enamine intermediates (aminocrotonate), which tautomerizes to its imine form (iminobutyrate). Both intermediates are unstable and short-lived. The second step is the nonenzymatic hydrolysis of the enamine/imine intermediates to form 2- ketobutyrate and free ammonia. In the low water environment of the cell, the second step is accelerated by RidA (By similarity).
   
 
 0.936
thrB
Homoserine kinase (thrB); Catalyzes the ATP-dependent phosphorylation of L-homoserine to L-homoserine phosphate; Belongs to the GHMP kinase family. Homoserine kinase subfamily.
   
 
 0.923
Your Current Organism:
Haemophilus influenzae
NCBI taxonomy Id: 71421
Other names: H. influenzae Rd KW20, Haemophilus influenzae KW20, Haemophilus influenzae Rd, Haemophilus influenzae Rd KW20
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