| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Research Abstract |
Prostaglandin D_2(PGD_2) is an allergic and inflammatory mediator produced by hematopoietic PGDS (H-PGDS) in the presence of glutathione (GSH). Previously, we found that Ca^2+and Mg^2+activated the enzyme activity and uncovered the activation mechanism by the X-ray crystal structures of the Ca^2+- and Mg^2+-bound forms of human H-PGDS at high resolution. In this study, we performed the crystallization of H-PGDS to reveal the protonation state by neutron diffraction and obtained the crystals with maximum size of 0.5 mm^3with high quality.
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