| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2012: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2011: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Fiscal Year 2010: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
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| Research Abstract |
In this research, we have attempted to develop several new chemical methods for protein modification. First, we have developed the covalent protein method using the complementary recognition pair of oligo-His tag and Ni(II)-NTA probe. This labeling method was successfully applied to the labeling of the tag-fused proteins in living cells. Second, we have achieved the design of highly reactive tag-probe pair comprising a-helix type oligo-Asp tag and Zn(II)-DpaTyr probe. This pair showed the higher protein labeling selectivity compared to the previously developed method, validating the our design strategy of the reactive tag-probe pair. Third, we have found the new fluorescent dye for protein modification This fluorescent dye displayed a unique dual-emission change depending on its hydration state, which we expect would be valuable fluorohore to develop protein-based fluorescence biosensors
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