IRE1:BiP dissociates in response to unfolded protein

Stable Identifier
R-HSA-381217
Type
Reaction [transition]
Species
Homo sapiens
Compartment
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IRE1-alpha is a single-pass transmembrane protein with a luminal N-terminus and a cytoplasmic C-terminus. IRE1-alpha is maintained in an inactive state in the Endoplasmic Reticulum (ER) membrane by interaction between the luminal domain of IRE1-alpha and the ATPase domain of BiP within the ER.
BiP is a general chaperone that also binds unfolded proteins within the ER. Thus BiP dissociates from IRE1-alpha when chaperone activity is overwhelmed by unfolded proteins in the ER.

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