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Tryptophan Residue of the D-Galactose/D-Glucose-Binding Protein from E. Coli Localized in its Active Center Does not Contribute to the Change in Intrinsic Fluorescence Upon Glucose Bindingстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 11 апреля 2017 г.
- Авторы: Stepanenko Olga V., Fonin Alexander V., Stepanenko Olesya V., Staiano Maria, D’Auria Sabato, Kuznetsova Irina M., Turoverov Konstantin K.
- Журнал: Journal of Fluorescence
- Том: 25
- Номер: 1
- Год издания: 2014
- Издательство: Kluwer Academic/Plenum Publishers
- Местоположение издательства: United States
- Первая страница: 87
- Последняя страница: 94
- DOI: 10.1007/s10895-014-1483-z
- Аннотация: Changes of the characteristics of intrinsic tryptophan fluorescence of the wild type of D-galactose/D-glucose-binding protein from Escherichia coli (GGBPwt) induced by D-glucose binding were examined by the intrinsic UV-fluorescence of proteins, circular dyhroism in the near-UV region, and acrylamide-induced fluorescence quenching. The analysis of the different characteristics of GGBPwt and its mutant form GGBP-W183A together with the analysis of the microenvironment of tryptophan residues of GGBPwt revealed that Trp 183, which is directly involved in sugar binding, has the least influence on the provoked by D-glucose blue shift and increase in the intensity of protein intrinsic fluorescence in comparison with other tryptophan residues of GGBP.
- Добавил в систему: Степаненко Олеся Викторовна