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Titolo:
Influence of protonation on the stability of disulfide radicals
Autore:
Berges, J; Fuster, F; Jacquot, JP; Silvi, B; Houee-Levin, C;
Indirizzi:
Univ Paris 06, Chim Theor Lab, UMR 7616, F-75005 Paris, France Univ Paris 06 Paris France F-75005 Lab, UMR 7616, F-75005 Paris, France Univ Nancy 1, INRA, Lab Biol Forestiere Associe, F-54506 Vandoeuvre Nancy,France Univ Nancy 1 Vandoeuvre Nancy France F-54506 506 Vandoeuvre Nancy,France Univ Paris 11, Lab Physicochim Rayonnements, UMR 8610, F-91405 Orsay, France Univ Paris 11 Orsay France F-91405 ents, UMR 8610, F-91405 Orsay, France
Titolo Testata:
NUKLEONIKA
fascicolo: 1, volume: 45, anno: 2000,
pagine: 23 - 29
SICI:
0029-5922(2000)45:1<23:IOPOTS>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
ONE-ELECTRON REDUCTION; TOPOLOGICAL ANALYSIS; PULSE-RADIOLYSIS; OXIDATIVE STRESS; AQUEOUS-SOLUTION; THIOREDOXIN; LOCALIZATION; PROTEINS; BONDS; LYSOZYME;
Keywords:
ab-initio calculation; disulfide radicals; gamma radiolysis; topology of the Electron Localization Function;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Berges, J Univ Paris 06, Chim Theor Lab, UMR 7616, 4 Pl Jussieu, F-75005 Paris, France Univ Paris 06 4 Pl Jussieu Paris France F-75005 5 Paris, France
Citazione:
J. Berges et al., "Influence of protonation on the stability of disulfide radicals", NUKLEONIKA, 45(1), 2000, pp. 23-29

Abstract

The ease of disulfide bond cleavage in peptides and proteins is evaluated by an experimental method (one-electron reduction by COO.- radicals and measurement of the chain length) and two theoretical approaches based on quantum chemistry and topology. All results agree to show acid-catalysis of thisbond opening. The disulfide bond in the radical state is weakened by protonation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 18:47:37