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
nadENAD synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses ammonia as a nitrogen source; Belongs to the NAD synthetase family. (274 aa)    
Predicted Functional Partners:
nadD
Nicotinic acid mononucleotide adenylyltransferase; Catalyzes the reversible adenylation of nicotinate mononucleotide (NaMN) to nicotinic acid adenine dinucleotide (NaAD).
  
 
 0.940
ppnK
Inorganic polyphosphate/ATP-NAD kinase; Involved in the regulation of the intracellular balance of NAD and NADP, and is a key enzyme in the biosynthesis of NADP. Catalyzes specifically the phosphorylation on 2'-hydroxyl of the adenosine moiety of NAD to yield NADP.
    
 0.936
SCI_0983
NAD-dependent deacetylase.
    
 0.931
SCI_0416
Putative nicotinate phosphoribosyltransferase; Catalyzes the first step in the biosynthesis of NAD from nicotinic acid, the ATP-dependent synthesis of beta-nicotinate D- ribonucleotide from nicotinate and 5-phospho-D-ribose 1-phosphate. Belongs to the NAPRTase family.
  
  
 0.902
guaA
GMP synthase; Catalyzes the synthesis of GMP from XMP.
     
 0.572
cinA
Putative competence/damage-inducible protein; Belongs to the CinA family.
     
 0.571
birA
Biotin--protein ligase; Acts both as a biotin--[acetyl-CoA-carboxylase] ligase and a repressor; Belongs to the biotin--protein ligase family.
  
  
 0.552
purL
Putative phosphoribosylformylglycinamidine synthase.
     
 0.548
pepC
Aminopeptidase C; Belongs to the peptidase C1 family.
     
 0.548
SCI_0947
Acetyltransferase.
   
 
 0.540
Your Current Organism:
Streptococcus constellatus
NCBI taxonomy Id: 862969
Other names: S. constellatus subsp. pharyngis C1050, Streptococcus constellatus subsp. pharyngis C1050, Streptococcus constellatus subsp. pharyngis str. C1050, Streptococcus constellatus subsp. pharyngis strain C1050
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