| Budget Amount *help |
¥18,590,000 (Direct Cost: ¥14,300,000、Indirect Cost: ¥4,290,000)
Fiscal Year 2011: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2010: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2009: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
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| Research Abstract |
The goal of this project is to understood how different actin filaments within a cell perform different functions. We found that stretched actin filaments with a longer helical pitch have higher affinity for myosin II. We also found that myosin II and cofilin, two major actin binding proteins, bound to actin filaments in a mutually exclusive manner, even though the two proteins do not compete for a binding site on actin. These results support our hypothesis that actin filaments of different atomic structures have different affinities for different actin binding proteins, leading to functional differentiation within cells.
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