mScarlet: a bright monomeric red fluorescent protein for cellular imaging

mScarlet: a bright monomeric red fluorescent protein for cellular imaging
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DOI:
10.1038/nmeth.4074
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发表时间:
2017-01-01
期刊:
影响因子:
48
通讯作者:
Gadella, Theodorus W. J., Jr.
Gadella, Theodorus W. J., Jr.
中科院分区:
生物学1区
文献类型:
--
作者:
Bindels, Daphne S.;Haarbosch, Lindsay;Gadella, Theodorus W. J., Jr.

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我们报告了mScarlet的工程,mScarlet是一种真正的单体红色荧光蛋白,具有创纪录的亮度,量子产率(70%)和荧光寿命(3.9 ns)。我们开发了mScarlet开始与共识合成模板,并使用改进的光谱筛选技术; mScarlet的晶体结构揭示了一个平面和硬化发色团。mScarlet优于现有的红色荧光蛋白作为融合标签,它是特别有用的福斯特共振能量转移(FRET)受体在比率成像。
We report the engineering of mScarlet, a truly monomeric red fluorescent protein with record brightness, quantum yield (70%) and fluorescence lifetime (3.9 ns). We developed mScarlet starting with a consensus synthetic template and using improved spectroscopic screening techniques; mScarlet's crystal structure reveals a planar and rigidified chromophore. mScarlet outperforms existing red fluorescent proteins as a fusion tag, and it is especially useful as a Forster resonance energy transfer (FRET) acceptor in ratiometric imaging.