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
Pnap_0730PFAM: coenzyme PQQ synthesis D; KEGG: bxe:Bxe_B2469 pyrroloquinoline quinone synthesis D. (105 aa)    
Predicted Functional Partners:
pqqC
Coenzyme PQQ biosynthesis protein C; Ring cyclization and eight-electron oxidation of 3a-(2-amino- 2-carboxyethyl)-4,5-dioxo-4,5,6,7,8,9-hexahydroquinoline-7,9- dicarboxylic-acid to PQQ.
 
  
 0.986
pqqB
Coenzyme PQQ biosynthesis protein B; May be involved in the transport of PQQ or its precursor to the periplasm; Belongs to the PqqB family.
 
  
 0.985
pqqE
Coenzyme PQQ biosynthesis protein E; Catalyzes the cross-linking of a glutamate residue and a tyrosine residue in the PqqA protein as part of the biosynthesis of pyrroloquinoline quinone (PQQ).
 
  
 0.975
Pnap_0726
PFAM: Pyrrolo-quinoline quinone; KEGG: reu:Reut_A1784 pyrrolo-quinoline quinone.
 
  
 0.755
Pnap_3007
PFAM: Pyrrolo-quinoline quinone; KEGG: reu:Reut_B5419 pyrrolo-quinoline quinone.
 
  
 0.740
Pnap_0724
KEGG: dar:Daro_1025 hypothetical protein.
  
     0.697
Pnap_0722
Amino acid/amide ABC transporter substrate-binding protein, HAAT family; KEGG: pfl:PFL_2209 hypothetical protein; TC 3.A.1.4.-.
  
     0.676
Pnap_0736
KEGG: reu:Reut_A1777 cytochrome c-type protein.
 
  
 0.657
Pnap_0725
PFAM: beta-lactamase domain protein; KEGG: pfl:PFL_2220 hydrolase, putative.
  
     0.640
Pnap_0721
TIGRFAM: 40-residue YVTN family beta-propeller repeat protein; KEGG: bja:blr6189 hypothetical protein.
  
     0.632
Your Current Organism:
Polaromonas naphthalenivorans
NCBI taxonomy Id: 365044
Other names: P. naphthalenivorans CJ2, Polaromonas naphthalenivorans CJ2, Polaromonas naphthalenivorans str. CJ2, Polaromonas naphthalenivorans strain CJ2
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