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
PH1074277aa long hypothetical protein; 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. It can use ATP and other nucleoside triphosphates (GTP,UTP) as well as inorganic polyphosphate (poly(P)) as a source of phosphorus. NAD is the preferred substrate for the kinase, but NADH can also be used as phosphoryl acceptor. (277 aa)    
Predicted Functional Partners:
PH0947
249aa long hypothetical protein; NAD-dependent lysine deacetylase and desuccinylase that specifically removes acetyl and succinyl groups on target proteins. Modulates the activities of several proteins which are inactive in their acylated form. Deacetylates the N-terminal lysine residue of Alba, the major archaeal chromatin protein and that, in turn, increases Alba's DNA binding affinity, thereby repressing transcription. Belongs to the sirtuin family. Class III subfamily.
  
 
 0.976
PH0182
257aa long hypothetical NH(3)-dependent NAD(+) synthetase; Catalyzes the ATP-dependent amidation of deamido-NAD to form NAD. Uses ammonia as a nitrogen source.
    
 0.963
PH1897
254aa long hypothetical protein; Similar to PIR:E64313 percent identity: 45.082 in 247aa. motif=inositol monophosphatase family signatures.
 
  
 0.935
PH0464
186aa long hypothetical protein; Similar to PIR:E64367 percent identity: 59.756 in 166aa.
    
 0.926
PH0015
464aa long hypothetical L-aspartate oxidase; Catalyzes the oxidation of L-aspartate to iminoaspartate.
      
 0.722
PH1868
392aa long hypothetical protein.
 
   
 0.704
PH1991
389aa long hypothetical nucleolar protein; S-adenosyl-L-methionine-dependent methyltransferase that specifically methylates the C5 position of cytosine 72 in several tRNAs. This modification appears to slightly promote the thermal stability of P.horikoshii tRNAs, but does not affect their amino acid accepting activity. Four elements in the acceptor stems of tRNAs are essential for substrate recognition by this enzyme: the target site C72, the 3'-CCA terminus, U73 or G73, and the second base pair C2:G71.
  
    0.668
PH1072
342aa long hypothetical geranylgeranyl pyrophosphate synthetase; Similar to owl:S75695B percent identity: 49.226 in 337aa; PIR:D64407 percent identity: 52.218 in 309aa; owl:SS56KBFR60 percent identity: 44.610 in 272aa. motif=polyprenyl synthetases signatures; Belongs to the FPP/GGPP synthase family.
 
 
 
 0.614
PH1590
264aa long hypothetical protein; Catalyzes the sequential condensation of isopentenyl diphosphate (IPP) with geranylgeranyl diphosphate (GGPP) to yield (2Z,6Z,10Z,14Z,18Z,22Z,26Z,30E,34E,38E)-undecaprenyl diphosphate (tritrans,heptacis-UPP). It is probably the precursor of glycosyl carrier lipids.
 
   
 0.553
PH1694
445aa long hypothetical signal recognition particle protein; Involved in targeting and insertion of nascent membrane proteins into the cytoplasmic membrane. Binds to the hydrophobic signal sequence of the ribosome-nascent chain (RNC) as it emerges from the ribosomes. The SRP-RNC complex is then targeted to the cytoplasmic membrane where it interacts with the SRP receptor FtsY. Belongs to the GTP-binding SRP family. SRP54 subfamily.
 
    0.546
Your Current Organism:
Pyrococcus horikoshii
NCBI taxonomy Id: 70601
Other names: P. horikoshii OT3, Pyrococcus horikoshii OT-3, Pyrococcus horikoshii OT3, Pyrococcus horikoshii str. OT3, Pyrococcus shinkaii OT3, Pyrococcus sp. OT3
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