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Pregled bibliografske jedinice broj: 199537

ESR study of spin labelled ovalbumin


Brgles, Marija; Mirosavljević, Krunoslav; Frkanec, Ruža; Noethig Laslo, Vesna; Tomašić, Jelka
ESR study of spin labelled ovalbumin // Regional Biophysics Meeting 2005 : Abstracts / Abramović, Zrinka ; Dogša, Iztok (ur.).
Zreče, Slovenija: Slovenian Biophysical Society, 2005. str. 61-61 (poster, međunarodna recenzija, sažetak, znanstveni)


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Naslov
ESR study of spin labelled ovalbumin

Autori
Brgles, Marija ; Mirosavljević, Krunoslav ; Frkanec, Ruža ; Noethig Laslo, Vesna ; Tomašić, Jelka

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Regional Biophysics Meeting 2005 : Abstracts / Abramović, Zrinka ; Dogša, Iztok - : Slovenian Biophysical Society, 2005, 61-61

Skup
Regional Biophysics Meeting

Mjesto i datum
Zreče, Slovenija, 16.03.2005. - 20.03.2005

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
ovalbumin; electron spin resonance; liposomes

Sažetak
Method for the spin labelling of ovalbumin was developed. Interactions of spin labelled ovalbumin (SL-OVA) with multilayer liposomes and immunostimulating peptidoglycan monomer were investigated by Electron Spin Resonance (ESR) spectroscopy. Ovalbumin (OVA) is the major protein in avian egg-white. It belongs to the serpin (serine protease inhibitors) family but it lacks any protease inhibitory activity. Among the others OVA has been used as a model protein antigen in our investigations of adjuvant effects of immunostimulating peptides [1]. Spin labelling was succesfully applied in the study of interactions of peptidoglycan monomer and structurally related adamantyltripeptides with lipid bilayers in liposomes [2]. The aim of the present study has been to investigate the possible interactions of OVA with immunostimulating peptides and with liposomal bilayers by (ESR). Ovalbumin was spin labelled with 4-maleimido-2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO-maleimide) that binds covalently to -SH groups of cisteins and terminal amino groups of lysines. Presence of two motionally different populations of the spin labels were determined from the ESR spectra of the spin labelled ovalbumin: with a highly restricted motion relative to the protein, located far from the protein surface, and with free motion located at the protein surface. [1] J. Tomašić, I. Hanzl-Dujmović, B. Špoljar, B. Vranešić, M. Šantak, A. Jovičić, Vaccine 18 (2000) 1236-1243. [2] R. Frkanec, V. Noethig Laslo, B. Vranešić, K. Mirosavljević and J. Tomašić, Biochim. Biophys. Acta, 1611 (2003) 187-195.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Temeljne medicinske znanosti



POVEZANOST RADA


Projekti:
0098040
0021002

Ustanove:
Imunološki zavod d.d.


Citiraj ovu publikaciju:

Brgles, Marija; Mirosavljević, Krunoslav; Frkanec, Ruža; Noethig Laslo, Vesna; Tomašić, Jelka
ESR study of spin labelled ovalbumin // Regional Biophysics Meeting 2005 : Abstracts / Abramović, Zrinka ; Dogša, Iztok (ur.).
Zreče, Slovenija: Slovenian Biophysical Society, 2005. str. 61-61 (poster, međunarodna recenzija, sažetak, znanstveni)
Brgles, M., Mirosavljević, K., Frkanec, R., Noethig Laslo, V. & Tomašić, J. (2005) ESR study of spin labelled ovalbumin. U: Abramović, Z. & Dogša, I. (ur.)Regional Biophysics Meeting 2005 : Abstracts.
@article{article, author = {Brgles, Marija and Mirosavljevi\'{c}, Krunoslav and Frkanec, Ru\v{z}a and Noethig Laslo, Vesna and Toma\v{s}i\'{c}, Jelka}, year = {2005}, pages = {61-61}, keywords = {ovalbumin, electron spin resonance, liposomes}, title = {ESR study of spin labelled ovalbumin}, keyword = {ovalbumin, electron spin resonance, liposomes}, publisher = {Slovenian Biophysical Society}, publisherplace = {Zre\v{c}e, Slovenija} }
@article{article, author = {Brgles, Marija and Mirosavljevi\'{c}, Krunoslav and Frkanec, Ru\v{z}a and Noethig Laslo, Vesna and Toma\v{s}i\'{c}, Jelka}, year = {2005}, pages = {61-61}, keywords = {ovalbumin, electron spin resonance, liposomes}, title = {ESR study of spin labelled ovalbumin}, keyword = {ovalbumin, electron spin resonance, liposomes}, publisher = {Slovenian Biophysical Society}, publisherplace = {Zre\v{c}e, Slovenija} }




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