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Titolo:
IQNS-monitored dynamical transition of a small beta-protein following heatdenaturation
Autore:
Russo, D; Perez, J; Desmadril, M; Calmettes, P; Durand, D;
Indirizzi:
CE Saclay, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France CE Saclay Gif Sur Yvette France F-91191 , F-91191 Gif Sur Yvette, France Univ Paris Sud, Lab LURE, F-91898 Orsay, France Univ Paris Sud Orsay France F-91898 Sud, Lab LURE, F-91898 Orsay, France Univ Paris Sud, Lab LMIP, F-91405 Orsay, France Univ Paris Sud Orsay France F-91405 Sud, Lab LMIP, F-91405 Orsay, France
Titolo Testata:
PHYSICA B
, volume: 276, anno: 2000,
pagine: 499 - 500
SICI:
0921-4526(200003)276:<499:IDTOAS>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Keywords:
denaturation; proton dynamics; diffusion;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
3
Recensione:
Indirizzi per estratti:
Indirizzo: Russo, D CE Saclay, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France CE Saclay Gif Sur Yvette France F-91191 Gif Sur Yvette, France
Citazione:
D. Russo et al., "IQNS-monitored dynamical transition of a small beta-protein following heatdenaturation", PHYSICA B, 276, 2000, pp. 499-500

Abstract

Quasi-elastic neutron scattering experiments performed on neocarzinostatin, a small beta-protein, reveal a drastic change in the fast (picosecond time scale) diffusive internal dynamics when the protein unfolds by heating. Data treatment is based on a model that separates contributions arising fromglobal and internal motions. Most of internal dynamic parameters (amplitude of diffusive motions, fraction of "immobile" scatters, mean-square vibrational amplitude) undergo abrupt modifications when the temperature is raised above 65 degrees C. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 15:06:06