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
pqqACoenzyme PQQ biosynthesis protein A; Required for coenzyme pyrroloquinoline quinone (PQQ) biosynthesis. PQQ is probably formed by cross-linking a specific glutamate to a specific tyrosine residue and excising these residues from the peptide; Belongs to the PqqA family. (60 aa)    
Predicted Functional Partners:
Lcho_0241
Hypothetical protein.
       0.547
Lcho_0242
Two component transcriptional regulator, LuxR family; PFAM: regulatory protein LuxR; response regulator receiver; Bacterio-opsin activator HTH domain protein; KEGG: mpt:Mpe_A3043 DNA binding response regulator, LuxR family.
       0.547
Lcho_0243
Histidine kinase; PFAM: ATP-binding region ATPase domain protein; histidine kinase HAMP region domain protein; histidine kinase dimerisation and phosphoacceptor region; KEGG: mpt:Mpe_A3044 methanol utilization control sensor protein MoxY, putative.
       0.547
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.
       0.508
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.
       0.444
pqqD
Coenzyme PQQ synthesis D; Functions as a PqqA binding protein and presents PqqA to PqqE, in the pyrroloquinoline quinone (PQQ) biosynthetic pathway.
       0.444
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).
       0.444
Your Current Organism:
Leptothrix cholodnii
NCBI taxonomy Id: 395495
Other names: L. cholodnii SP-6, Leptothrix cholodnii SP-6, Leptothrix cholodnii str. SP-6, Leptothrix cholodnii strain SP-6
Server load: low (28%) [HD]
STRING is a Core Data Resource as designated by Global Biodata Coalition and ELIXIR.