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Nature. 1988 Oct 20;335(6192):700-4.

Structural characterization of folding intermediates in cytochrome c by H-exchange labelling and proton NMR.

Author information

1
Department of Biochemistry and Biophysics, University of Pennsylvania, Philadelphia 19104-6059.

Abstract

To understand the process of protein folding, it will be necessary to obtain detailed structural information on folding intermediates. This difficult problem is being studied by using hydrogen exchange and rapid mixing to label transient structural intermediates, with subsequent analysis of the proton-labelling pattern by two-dimensional nuclear magnetic resonance spectroscopy. Results for cytochrome c show that the method provides the spatial and temporal resolution necessary to monitor structure formation at many defined sites along the polypeptide chain on a timescale ranging from milliseconds to minutes.

PMID:
2845279
PMCID:
PMC3430852
DOI:
10.1038/335700a0
[Indexed for MEDLINE]
Free PMC Article

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