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
speESpermidine synthase; Involved in the cell growth and proliferation. Catalyzes the irreversible transfer of a propylamine group from the amino donor S- adenosylmethioninamine (decarboxy-AdoMet) to putrescine (1,4- diaminobutane) to yield spermidine (Probable). Belongs to the spermidine/spermine synthase family. (276 aa)    
Predicted Functional Partners:
speD
S-adenosylmethionine decarboxylase; Catalyzes the decarboxylation of S-adenosylmethionine to S- adenosylmethioninamine (dcAdoMet), the propylamine donor required for the synthesis of the polyamines spermine and spermidine from the diamine putrescine.
 
 0.999
speB
Agmatinase; Catalyzes the formation of putrescine from agmatine; Belongs to the arginase family. Agmatinase subfamily.
 
 
 0.998
speA
Arginine decarboxylase; Catalyzes the formation of agmatine from arginine.
 
 0.993
mtnN
Methylthioadenosine / S-adenosylhomocysteine nucleosidase; Catalyzes the irreversible cleavage of the glycosidic bond in both 5'-methylthioadenosine (MTA) and S-adenosylhomocysteine (SAH/AdoHcy) to adenine and the corresponding thioribose, 5'- methylthioribose and S-ribosylhomocysteine, respectively. Belongs to the PNP/UDP phosphorylase family. MtnN subfamily.
  
 
 0.904
bltD
Spermine/spermidine acetyltransferase; Acetylates both spermidine and spermine at primary propyl amine moieties, with spermine being the preferred substrate.
    
 0.901
fliM
Flagellar motor switching and energizing component; One of the proteins that forms a switch complex that is proposed to be located at the base of the basal body. This complex interacts with chemotaxis proteins (such as CheY) in addition to contacting components of the motor that determine the direction of flagellar rotation; Belongs to the FliM family.
    
   0.728
mtnB
Methylthioribulose-1-phosphate dehydratase (MTRu-1-P dehydratase); Catalyzes the dehydration of methylthioribulose-1-phosphate (MTRu-1-P) into 2,3-diketo-5-methylthiopentyl-1-phosphate (DK-MTP-1-P). Belongs to the aldolase class II family. MtnB subfamily.
 
   
 0.675
mtnD
Acireductone dioxygenase (Ni2+ or Fe2+-requiring); Catalyzes 2 different reactions between oxygene and the acireductone 1,2-dihydroxy-3-keto-5-methylthiopentene (DHK-MTPene) depending upon the metal bound in the active site. Fe-containing acireductone dioxygenase (Fe-ARD) produces formate and 2-keto-4- methylthiobutyrate (KMTB), the alpha-ketoacid precursor of methionine in the methionine recycle pathway. Ni-containing acireductone dioxygenase (Ni-ARD) produces methylthiopropionate, carbon monoxide and formate, and does not lie on the methionine recycle pathway.
  
   
 0.663
mtnU
Ketoglutaramate omega-amidase; May be involved in a regulatory step in the methylthioribose (MTR) recycling pathway; Belongs to the carbon-nitrogen hydrolase superfamily. NIT1/NIT2 family.
 
  
 0.638
mtnA
Methylthioribose-1-phosphate isomerase (methionine salvage pathway); Catalyzes the interconversion of methylthioribose-1-phosphate (MTR-1-P) into methylthioribulose-1-phosphate (MTRu-1-P).
 
  
 0.629
Your Current Organism:
Bacillus subtilis 168
NCBI taxonomy Id: 224308
Other names: B. subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis 168, Bacillus subtilis subsp. subtilis str. 168, Bacillus subtilis subsp. subtilis str. BGSC 1A700
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STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.