| Literature DB >> 10876238 |
K Inoue1, H Yamada, K Akasaka, C Herrmann, W Kremer, T Maurer, R Döker, H R Kalbitzer.
Abstract
The reliable prediction of the precise three-dimensional structure of proteins from their amino acid sequence is a major, still unresolved problem in biochemistry. Pressure is a parameter that controls folding/unfolding transitions of proteins through the volume change DeltaV of the protein-solvent system. By varying the pressure from 30 to 2,000 bar we detected using 15N/ 1H 2D NMR spectroscopy a unique equilibrium unfolding intermediate I in the Ras binding domain of the Ral guanine nucleotide dissociation stimulator (Ral GDS). It is characterized by a local melting of specific structural elements near hydrophobic cavities while the overall folded structure is maintained.Entities:
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Year: 2000 PMID: 10876238 DOI: 10.1038/76764
Source DB: PubMed Journal: Nat Struct Biol ISSN: 1072-8368