The formation of a native-like structure containing eight conserved hydrophobic residues is rate limiting in two-state protein folding of ACBP.
- 1 June 1999
- journal article
- research article
- Published by Springer Nature in Nature Structural & Molecular Biology
- Vol. 6 (6) , 594-601
- https://doi.org/10.1038/9384
Abstract
The acyl-coenzyme A-binding proteins (ACBPs) contain 26 highly conserved sequence positions. The majority of these have been mutated in the bovine protein, and their influence on the rate of two-state folding and unfolding has been measured. The results identify eight sequence positions, out of 24 probed, that are critical for fast productive folding. The residues are all hydrophobic and located in the interface between the N- and C-terminal helices. The results suggest that one specific site dominated by conserved hydrophobic residues forms the structure of the productive rate-determining folding step and that a sequential framework model can describe the protein folding reaction.Keywords
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