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
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Hs2stHeparan sulfate 2-O-sulfotransferase (Hs2st) encodes a heparan sulfate modifying enzyme, which transfers a sulfate group to 2-O position of glucuronic or iduronic acid residues of heparan sulfate. Loss of Hs2st function eliminates 2-O sulfation, but increases 6-O sulfation performed by the product of Hs6st. Simultaneous elimination of Hs6st and Hs2st functions disrupts FGF, Wg and Dpp signaling pathways. (349 aa)    
Predicted Functional Partners:
Hs6st
Heparan sulfate 6-O-sulfotransferase (Hs6st) encodes a heparan sulfate modifying enzyme, which transfers a sulfate group to the 6-O position of glucosamine residues of heparan sulfate. Loss of Hs6st eliminates 6-O sulfation, but increases 2-O sulfation performed by the product of Hs2st. Simultaneous elimination of Hs6st and Hs2st disrupts FGF, Wg and Dpp signaling pathways.
    
 
 0.970
Hs3st-A
Heparan sulfate 3-O sulfotransferase-A (Hs3st-A) encodes a heparan sulfate modifying enzyme that transfers a sulfate group to the 3-O position of glucosamine residues of heparan sulfate. It regulates adult midgut homeostasis by repressing EGFR signaling.
      
 0.958
Hs3st-B
Heparan sulfate 3-O sulfotransferase-B (Hs3st-B) encodes a heparan sulfate modifying enzyme that transfers a sulfate group to the 3-O position of glucosamine residues of heparan sulfate. It regulates adult midgut homeostasis.
   
  
 0.957
CG10237
LD41874p; Phosphatidylinositol bisphosphate binding.
 
    
 0.919
Hsepi
Heparan sulfate C5-epimerase (Hsepi) encodes a heparan sulfate modifying enzyme, which catalyzes the C5-epimerization of glucuronic acid, converting it to iduronic acid. Hsepi loss results in minor morphological defects and lifespan reduction.
   
 
 0.909
Sulf1
Extracellular sulfatase SULF-1 homolog; Sulfated (Sulf1) encodes a heparan sulfate modifying enzyme, which extracellularly removes specific 6-O-sulfate groups from heparan sulfate in a post-synthetic manner. It regulates Wg signaling by reducing extracellular wg protein levels. It also regulates Hh signaling by acting as a positive regulator in cells producing the product of hh and a negative regulator in cells receiving the product of hh.
      
 0.858
Papst2
PAPS transporter 2 (Papst2) encodes the second transporter of 3'-phosphoadenosine 5'-phosphosulfate (PAPS) and localizes in the cis-cisterna of the Golgi and the ER. It transfers PAPS from cytosol into the lumen of Golgi and ER. The product of Papst2 contributes to the sulfation of glycans and proteins, and is suggested to regulate several signaling pathways (Hh, Dpp, Wingless) mediated by glycosaminoglycans in development; Belongs to the nucleotide-sugar transporter family. SLC35B subfamily.
   
  
 0.799
CG10026
SD01558p; Phosphatidylinositol bisphosphate binding.
      
 0.798
sfl
Bifunctional heparan sulfate N-deacetylase/N-sulfotransferase; Essential bifunctional enzyme that catalyzes both the N- deacetylation and the N-sulfation of glucosamine (GlcNAc) of the glycosaminoglycan in heparan sulfate. Modifies the GlcNAc-GlcA disaccharide repeating sugar backbone to make N-sulfated heparosan, a prerequisite substrate for later modifications in heparin biosynthesis. Plays a role in diffusion of morphogen wingless (wg) via its role in heparan sulfate proteoglycans (HSPGs) biosynthesis, HSPGs being required for movement of wg morphogens. Required for wg signaling dur [...]
   
 
 0.775
sotv
Exostosin-2; Glycosyltransferase required for the biosynthesis of heparan- sulfate and responsible for the alternating addition of beta-1-4-linked glucuronic acid (GlcA) and alpha-1-4-linked N-acetylglucosamine (GlcNAc) units to nascent heparan sulfate chains. Plays a central role in diffusion of morphogens hedgehog (hh), wingless (wg) and Decapentaplegic (dpp) via its role in heparan sulfate proteoglycans (HSPGs) biosynthesis, HSPGs being required for movement of Hh, Dpp and wg morphogens.
   
  
 0.771
Your Current Organism:
Drosophila melanogaster
NCBI taxonomy Id: 7227
Other names: D. melanogaster, Diptera sp. DNAS-2A9-224646, Sophophora melanogaster, fruit fly
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