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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Stepanyuk G.A., Golz S..., Markova S.V., Frank L.A., Lee J..., Vysotski E.S.
Заглавие : Interchange of aequorin and obelin bioluminescence color is determined by substitution of one active site residue of each photoprotein
Колич.характеристики :7 с
Место публикации : FEBS Lett.: ELSEVIER SCIENCE BV, 2005. - Vol. 579, Is. 5. - С. 1008-1014. - ISSN 0014-5793, DOI 10.1016/j.febslet.2005.01.004
Примечания : Cited References: 49
Предметные рубрики: FIREFLY LUCIFERASE
SEQUENCE-ANALYSIS
CA2+-REGULATED PHOTOPROTEINS
CA2+-DISCHARGED PHOTOPROTEIN
VIOLET BIOLUMINESCENCE
INTRACELLULAR CALCIUM
ENDOPLASMIC-RETICULUM
ANGSTROM RESOLUTION
CRYSTAL-STRUCTURE
APOAEQUORIN CDNA
Ключевые слова (''Своб.индексиров.''): coelenterazine--calcium--reporter protein--mammalian expression--fluorescence spectrum
Аннотация: The bioluminescence spectra from the Ca2+-regulated photoproteins aequorin (lambda(max) = 469 nm) and obelin (lambda(max) = 482 nm) differ because aequorin has an H-bond from its Tyr82 to the bound coelenteramide, not present in obelin at the corresponding Phe88. Substitutions of this Phe88 by Tyr, Trp, or His shifted the obelin bioluminescence to shorter wavelength with F88Y having lambda(max) = 453 nm. Removal of the H-bond by the substitution of Y82F in aequorin shifted its bioluminescence to lambda(max) = 501 nm. All mutants were stable with good activity and were expressible in mammalian cells, thereby demonstrating potential for monitoring multiple events in cells using multi-color detection. (C) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Stepanyuk G.A., Golz S..., Markova S.V., Frank L.A., Lee J..., Vysotski E.S.
Заглавие : Interchange of aequorin and obelin bioluminescence color is determined by substitution of one active site residue of each photoprotein
Колич.характеристики :7 с
Место публикации : FEBS Lett.: ELSEVIER SCIENCE BV, 2005. - Vol. 579, Is. 5. - С. 1008-1014. - ISSN 0014-5793, DOI 10.1016/j.febslet.2005.01.004
Примечания : Cited References: 49
Предметные рубрики: FIREFLY LUCIFERASE
SEQUENCE-ANALYSIS
CA2+-REGULATED PHOTOPROTEINS
CA2+-DISCHARGED PHOTOPROTEIN
VIOLET BIOLUMINESCENCE
INTRACELLULAR CALCIUM
ENDOPLASMIC-RETICULUM
ANGSTROM RESOLUTION
CRYSTAL-STRUCTURE
APOAEQUORIN CDNA
Ключевые слова (''Своб.индексиров.''): coelenterazine--calcium--reporter protein--mammalian expression--fluorescence spectrum
Аннотация: The bioluminescence spectra from the Ca2+-regulated photoproteins aequorin (lambda(max) = 469 nm) and obelin (lambda(max) = 482 nm) differ because aequorin has an H-bond from its Tyr82 to the bound coelenteramide, not present in obelin at the corresponding Phe88. Substitutions of this Phe88 by Tyr, Trp, or His shifted the obelin bioluminescence to shorter wavelength with F88Y having lambda(max) = 453 nm. Removal of the H-bond by the substitution of Y82F in aequorin shifted its bioluminescence to lambda(max) = 501 nm. All mutants were stable with good activity and were expressible in mammalian cells, thereby demonstrating potential for monitoring multiple events in cells using multi-color detection. (C) 2005 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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