研究人员已经研制出一种比绿色荧光蛋白小的蓝色荧光探针，它更容易标记活细胞中肽融合重组蛋白。
Researchers have engineered a blue fluorescent probe that is smaller than GFP and will improve the labeling of peptide-fused recombinant proteins in living cells.
然而，尽管有了充分特定的应用，但如绿色荧光这样较大的荧光蛋白经常会破坏细胞中蛋白的正常活动。
However, while perfectly specific, the large size of fluorescent proteins like GFP often disrupts the natural activity of proteins inside cells.
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