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Default Millisecond Time Resolved Photo-CIDNP NMR Reveals a Non-Native Folding Intermediate on the Ion-Induced Refolding Pathway of Bovine ?-Lactalbumin.

Millisecond Time Resolved Photo-CIDNP NMR Reveals a Non-Native Folding Intermediate on the Ion-Induced Refolding Pathway of Bovine ?-Lactalbumin.

Related Articles Millisecond Time Resolved Photo-CIDNP NMR Reveals a Non-Native Folding Intermediate on the Ion-Induced Refolding Pathway of Bovine ?-Lactalbumin.

Angew Chem Int Ed Engl. 2001 Nov 19;40(22):4248-4251

Authors: Wirmer J, Kühn T, Schwalbe H

Abstract
Aspects of the structure of the intermediate populated after 200 ms in the Ca2+ -induced refolding of ?-lactalbumin have been derived by time-resolved photo-CIDNP NMR methods. Refolding at constant denaturant concentration was initiated by laser-induced ion release from photolabile chelators. The NMR data demonstrated that part of the polypeptide chain in the ?-domain of ?-lactalbumin samples adopt non-native conformations while a hydrophobic core of the ?-domain is already formed.


PMID: 29712118 [PubMed]



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