| Budget Amount *help |
¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
Fiscal Year 2011: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2010: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2009: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Research Abstract |
In this research project, we characterized the heme binding in Iron Response Regulator (Irr) and Iron Regulatory Protein (IRP) and examined their functional significance. We spectroscopically identified the heme binding sites of Irr and, based on the structural information, a molecular mechanism of heme-induced oxidative modification in Irr was proposed. The heme binding sites of IRP were also determined and a new mechanism for the translational regulation by binding of heme was suggested in IRP. These new findings in this research project shed new light on the functional significance of heme in vivo.
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