Nucleotide-induced transition of GroEL from the high-affinity to the low-affinity state for a target protein: effects of ATP and ADP on the GroEL-affected refolding of alpha-lactalbumin.

Abstract excerpt

We studied the refolding kinetics of alpha-lactalbumin in the presence of wild-type GroEL and its ATPase-deficient mutant D398A at various concentrations of nucleotides (ATP and ADP). We evaluated the apparent binding constant between GroEL and the alpha-lactalbumin refolding intermediate quantitatively by numerical simulation analysis of the alpha-lactalbumin refolding curves in the presence and absence of...

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