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. (722 aa)    
Predicted Functional Partners:
ppx
Exopolyphosphatase.
  
 0.959
ppa
Soluble inorganic pyrophosphatase; Catalyzes the hydrolysis of inorganic pyrophosphate (PPi) forming two phosphate ions.
     
 0.933
MAE_61320
Hypothetical protein.
 
   
 0.785
MAE_62470
Hypothetical protein.
 
   
 0.779
cas2
CRISPR-associated protein Cas2; CRISPR (clustered regularly interspaced short palindromic repeat), is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain sequences complementary to antecedent mobile elements and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA). Functions as a ssRNA-specific endoribonuclease. Involved in the integration of spacer DNA into the CRISPR cassette.
     
 0.621
feoB
Ferrous iron transport protein B; Probable transporter of a GTP-driven Fe(2+) uptake system. Belongs to the TRAFAC class TrmE-Era-EngA-EngB-Septin-like GTPase superfamily. FeoB GTPase (TC 9.A.8) family.
      
 0.611
MAE_08750
PemK-like protein; Toxic component of a type II toxin-antitoxin (TA) system.
      
 0.571
MAE_10400
PemK-like protein; Toxic component of a type II toxin-antitoxin (TA) system.
      
 0.571
MAE_14020
PemK-like protein; Toxic component of a type II toxin-antitoxin (TA) system.
      
 0.571
MAE_24660
PemK-like protein; Toxic component of a type II toxin-antitoxin (TA) system.
      
 0.571
Your Current Organism:
Microcystis aeruginosa
NCBI taxonomy Id: 449447
Other names: M. aeruginosa NIES-843, Microcystis aeruginosa NIES-843
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STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.