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groEL | Chaperonin, 60 kDa; Prevents misfolding and promotes the refolding and proper assembly of unfolded polypeptides generated under stress conditions. (541 aa) | ||||
grpE | Heat shock protein GrpE; Participates actively in the response to hyperosmotic and heat shock by preventing the aggregation of stress-denatured proteins, in association with DnaK and GrpE. It is the nucleotide exchange factor for DnaK and may function as a thermosensor. Unfolded proteins bind initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK hydrolyzes its bound ATP, resulting in the formation of a stable complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the release of the substrate protein, thus completing the reaction cycle. Several rounds of ATP- [...] (179 aa) | ||||
dnaK | Dnak protein; Acts as a chaperone; Belongs to the heat shock protein 70 family. (609 aa) |