Apparent cooperativity in the folding of multidomain proteins depends on the relative rates of folding of the constituent domains.

Abstract excerpt

Approximately 75% of eukaryotic proteins contain more than one so-called independently folding domain. However, there have been relatively few systematic studies to investigate the effect of interdomain interactions on protein stability and fewer still on folding kinetics. We present the folding of pairs of three-helix bundle spectrin domains as a paradigm to indicate how complex such an analysis can be....

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