In vitro reconstitution of calreticulin-substrate interactions.

  title={In vitro reconstitution of calreticulin-substrate interactions.},
  author={Jeffrey R Peterson and Ari Helenius},
  journal={Journal of cell science},
  volume={112 ( Pt 16)},
Calreticulin is a soluble, endoplasmic reticulum-resident protein and a molecular chaperone for glycoproteins. We have reconstituted the binding of recombinant calreticulin to two glycoprotein substrates, vesicular stomatitis virus G protein and influenza hemagglutinin, in vitro. The binding was found to be direct and to require monoglucosylated, asparagine-linked oligosaccharides on the substrate glycoprotein but no other cellular factors. The binding could be modulated in vitro by incubation… CONTINUE READING
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