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:
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Gene Fusion
Cooccurrence
Coexpression
Experiments
Databases
Textmining
[Homology]
Score
pupProkaryotic ubiquitin-like protein Pup; Protein modifier that is covalently attached to lysine residues of substrate proteins, thereby targeting them for proteasomal degradation. The tagging system is termed pupylation. (68 aa)    
Predicted Functional Partners:
arc
Proteasome-associated ATPase; ATPase which is responsible for recognizing, binding, unfolding and translocation of pupylated proteins into the bacterial 20S proteasome core particle. May be essential for opening the gate of the 20S proteasome via an interaction with its C-terminus, thereby allowing substrate entry and access to the site of proteolysis. Thus, the C-termini of the proteasomal ATPase may function like a 'key in a lock' to induce gate opening and therefore regulate proteolysis.
 
 
 
 0.998
prcB
Proteasome endopeptidase complex, beta component Threonine peptidase. MEROPS family T01B; Component of the proteasome core, a large protease complex with broad specificity involved in protein degradation. Belongs to the peptidase T1B family.
 
 
 
 0.979
prcA
Proteasome alpha subunit; Component of the proteasome core, a large protease complex with broad specificity involved in protein degradation. Belongs to the peptidase T1A family.
 
 
 
 0.978
pafA
Proteasome accessory factor A; Catalyzes the covalent attachment of the prokaryotic ubiquitin-like protein modifier Pup to the proteasomal substrate proteins, thereby targeting them for proteasomal degradation. This tagging system is termed pupylation. The ligation reaction involves the side-chain carboxylate of the C-terminal glutamate of Pup and the side- chain amino group of a substrate lysine.
 
  
 0.959
SDR13605.1
Proteasome accessory factor A.
 
  
 0.935
SDR13511.1
Peptidylprolyl isomerase.
       0.648
SDR13643.1
tRNA (adenine-58-N(1)-) methyltransferase.
 
     0.639
SDR13490.1
Peptidylprolyl isomerase.
       0.560
SDR13664.1
Zn-dependent protease (includes SpoIVFB); Belongs to the peptidase M50B family.
       0.511
SDR01398.1
GDSL-like Lipase/Acylhydrolase family protein.
  
     0.507
Your Current Organism:
Arthrobacter crystallopoietes
NCBI taxonomy Id: 37928
Other names: A. crystallopoietes, ATCC 15481, CIP 102717, DSM 20117, IFO 14235, JCM 2522, LMG 3819, LMG:3819, NBRC 14235
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