BiP (GRP78), an essential hsp70 resident protein in the endoplasmic reticulum

  title={BiP (GRP78), an essential hsp70 resident protein in the endoplasmic reticulum},
  author={Ingrid G. Haas},
BiP is a constitutively-expressed resident protein of the endoplasmic, reticulum (ER) of all eucaryotic cells, and belongs to the highly conserved hsp70 protein family. In the ER, BiP is involved in polypeptide translocation, protein folding and presumably protein degradation as well. These functions are essential to cell viability, as has been shown for yeast. In this review, I will summarize the structural features of hsp70 proteins and focus on those experiments which revealed the biological… CONTINUE READING

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