Rational redesign of the folding pathway of a modular protein.

Abstract excerpt

The modular structures of repeat proteins afford them distinct properties compared with globular proteins, enabling them to function in a large and diverse range of cellular processes. Here, we show that they can also have different folding mechanisms. Myotrophin comprises four ankyrin repeats stacked linearly to form an elongated structure. Using site-directed mutagenesis, we find that folding of wild-type...

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