PMID:7901770

Citation	Martin, J, Mayhew, M, Langer, T and Hartl, FU (1993) The reaction cycle of GroEL and GroES in chaperonin-assisted protein folding. Nature 366:228-33
Abstract	The reaction mechanism of protein folding by the chaperonin GroEL and its regulator GroES has been defined. GroES and substrate protein counteract each other's effects on GroEL: whereas GroES stabilizes GroEL in the ADP-bound state, binding of unfolded polypeptide within the cavity of the GroEL cylinder triggers ADP and GroES release. Upon ADP-ATP exchange, GroES reassociates with GroEL and ATP hydrolysis discharges the bound protein for folding. Partially folded protein rebinds to the chaperonin, thus perpetuating the cycle until folding is complete.
Links	PubMed Online version:10.1038/366228a0
Keywords	Adenosine Diphosphate/metabolism; Adenosine Triphosphate/metabolism; Bacterial Proteins/metabolism; Chaperonin 10; Chaperonin 60; Cross-Linking Reagents; Escherichia coli/metabolism; Heat-Shock Proteins/metabolism; Models, Biological; Nucleotides/metabolism; Protein Binding; Protein Folding; Succinimides
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