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'Bacteriorhodopsin' in keywords Facet   Publication Year 2000  [X]
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2000[X]
1Author    Nikolai Tuparev, Anelia Dobrikova, Stefka Taneva, Tzvetana LazarovaRequires cookie*
 Title    Bacteriorhodopsin Thermal Stability: Influence of Bound Cations and Lipids on the Intrinsic Protein Fluorescence  
 Abstract    Temperature -induced changes in protein intrinsic fluorescence of native, delipidated and deionized purple membranes are investigated. It is found that the removal of cations most strongly affects the protein and its thermal stability. The denaturation of dei-BR completes at 70 °C, while delipidated and native BR still maintain their native structure at this temper­ ature. Both, the quantum yield and the fluorescence maximum suggest correlation between the Trp-retinal coupling and protein structural stability. The low red shift of the fluorescence maximum caused by increasing of temperature indicates limited unfolding of bacteriorhodop­ sin upon denaturation. 
  Reference    Z. Naturforsch. 55c, 355—360 (2000); received December 27 1999/February 23 2000 
  Published    2000 
  Keywords    Bacteriorhodopsin, Deionization, Delipidation 
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 TEI-XML for    default:Reihe_C/55/ZNC-2000-55c-0355.pdf 
 Identifier    ZNC-2000-55c-0355 
 Volume    55