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
PH1347308aa long hypothetical GMP synthase; Catalyzes the synthesis of GMP from XMP. (308 aa)    
Predicted Functional Partners:
PH0307
486aa long hypothetical inosine-5'-monophosphate dehydrogenase; Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth. Belongs to the IMPDH/GMPR family.
 0.999
PH1346
189aa long hypothetical GMP synthase; Catalyzes the synthesis of GMP from XMP.
  
 0.999
PH1917
186aa long hypothetical protein; Pyrophosphatase that catalyzes the hydrolysis of nucleoside triphosphates to their monophosphate derivatives, with a high preference for the non-canonical purine nucleotides XTP (xanthosine triphosphate), dITP (deoxyinosine triphosphate) and ITP. Seems to function as a house-cleaning enzyme that removes non-canonical purine nucleotides from the nucleotide pool, thus preventing their incorporation into DNA/RNA and avoiding chromosomal lesions. Belongs to the HAM1 NTPase family.
  
 
 0.977
PH1792
557aa long hypothetical CTP synthase; Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates.
  
 
 0.959
PH0852
450aa long hypothetical adenylosuccinate lyase; Similar to PIR:A64416 percent identity: 58.864 in 443aa; Swiss_Prot:P12047 percent identity: 42.373 in 419aa; owl:S76222 percent identity: 41.769 in 414aa. motif=fumarate lyases signature.
 
  
 0.933
PH1354
196aa long hypothetical protein; Catalyzes the hydrolysis of glutamine to glutamate and ammonia as part of the biosynthesis of pyridoxal 5'-phosphate. The resulting ammonia molecule is channeled to the active site of PdxS.
    
 0.924
PH1355
335aa long hypothetical ethylene-responsive protein; Catalyzes the formation of pyridoxal 5'-phosphate from ribose 5-phosphate (RBP), glyceraldehyde 3-phosphate (G3P) and ammonia. The ammonia is provided by the PdxT subunit. Can also use ribulose 5- phosphate and dihydroxyacetone phosphate as substrates, resulting from enzyme-catalyzed isomerization of RBP and G3P, respectively. Belongs to the PdxS/SNZ family.
    
 0.924
PH1691
256aa long hypothetical protein.
 
 
 0.905
PH1478
629aa long hypothetical arginyl-tRNA synthetase; Similar to PIR:F64329 percent identity: 40.975 in 639aa; Swiss_Prot:P43832 percent identity: 40.000 in 192aa. motif=aminoacyl-transfer RNA synthetases class-I signature.
   
  
 0.888
PH1953
705aa long hypothetical phosphoribosylformylglycinamidine synthase II; Part of the phosphoribosylformylglycinamidine synthase complex involved in the purines biosynthetic pathway. Catalyzes the ATP-dependent conversion of formylglycinamide ribonucleotide (FGAR) and glutamine to yield formylglycinamidine ribonucleotide (FGAM) and glutamate. The FGAM synthase complex is composed of three subunits. PurQ produces an ammonia molecule by converting glutamine to glutamate. PurL transfers the ammonia molecule to FGAR to form FGAM in an ATP- dependent manner. PurS interacts with PurQ and PurL a [...]
  
  
 0.844
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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STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.