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
ppkPolyphosphate kinase; Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate (polyP). Belongs to the polyphosphate kinase 1 (PPK1) family. (691 aa)    
Predicted Functional Partners:
CCH87840.1
Conserved hypothetical protein; Homologs of previously reported genes of unknown function.
 
  
 0.951
CCH90808.1
Homologs of previously reported genes of unknown function.
 
  
 0.950
ppa
Inorganic pyrophosphatase; Catalyzes the hydrolysis of inorganic pyrophosphate (PPi) forming two phosphate ions.
     
 0.945
CCH90388.1
Exopolyphosphatase; Function of strongly homologous gene; enzyme.
 
 
 0.944
CCH89844.1
NUDIX hydrolase; Function of strongly homologous gene; enzyme; Belongs to the Nudix hydrolase family.
   
 0.925
mshD
Mycothiol biosynthesis acetyltransferase; Catalyzes the transfer of acetyl from acetyl-CoA to desacetylmycothiol (Cys-GlcN-Ins) to form mycothiol.
      0.905
CCH86428.1
Ppx/GppA phosphatase; Function of strongly homologous gene; enzyme.
 
  
 0.890
cofC
2-phospho-L-lactate guanylyltransferase; Guanylyltransferase that catalyzes the activation of phosphoenolpyruvate (PEP) as enolpyruvoyl-2-diphospho-5'-guanosine, via the condensation of PEP with GTP. It is involved in the biosynthesis of coenzyme F420, a hydride carrier cofactor.
       0.803
CCH90432.1
Extra-cellular phosphate-binding protein; Part of the ABC transporter complex PstSACB involved in phosphate import; Belongs to the PstS family.
     
 0.778
CCH89845.1
Protein of unknown function; No homology to any previously reported sequences.
       0.773
Your Current Organism:
Modestobacter marinus
NCBI taxonomy Id: 477641
Other names: CGMCC 4.5581, DSM 45201, M. marinus, Modestobacter marinus Xiao et al. 2011, Modestobacter sp. 42H12-1, strain 42H12-1
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