Förster distances for fluorescence resonant energy transfer between mCherry and other visible fluorescent proteins.

Förster distances for fluorescence resonant energy transfer between mCherry and other visible fluorescent proteins.
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DOI:
10.1016/j.ab.2010.03.026
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发表时间:
2010-07-01
影响因子:
2.9
通讯作者:
Barisas BG
Barisas BG
中科院分区:
生物学4区
文献类型:
--
作者:
Akrap N;Seidel T;Barisas BG

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对于同时作为FRET供体和受体的红色荧光蛋白mCherry,我们给出了五个重要的VFP变异体及其自身的R0值。EYFP-mCherry对的R0为5.66 nm,等于或超过了先前报道的VFPS的任何组合。此外,mCherry应该是HomoFRET的一个很好的生色团,R0为5.10 nm,用于两个mCherry部分之间的能量转移。最后,mCherry显示出比dsRed更高的R0值。这些特性与其快速折叠和优异的光谱特性相结合,表明mCherry是一种有价值的长波长异质FRET受体和探针,可用于HomoFRET实验。
We present, for the red fluorescent protein mCherry acting as both FRET donor and acceptor, r0 values with five important VFP variants as well as with itself. The pair EYFP-mCherry exhibits an r0 of 5.66 nm, equaling or exceeding any combination of VFPs reported previously. Moreover, mCherry should be an excellent chromophore for homoFRET with r0 of 5.10 nm for energy transfer between two mCherry moieties. Finally, mCherry exhibits higher r0 values than does dsRed. These characteristics, combined with its rapid folding and excellent spectral properties, suggest that mCherry constitutes a valuable long-wavelength heteroFRET acceptor and probe for homoFRET experiments.
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