2017 旭硝子財団 助成研究発表会 要旨集

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, 246 %S3, S1, S2, 2F. 2FS1PSIIRMSD0. 10 Å, . 2FS1, Si-QB. QB2, . QBC=OHis215Ser264, D1Phe211, Met214, Phe255, Phe265, Phe274, D2, . 2FS1, QB10, C=OHis215, Ser2640. 1 ~ 0. 2 Å. , 116 Å291 Å2. , Phe211, Met214, Phe255, Phe265. , QBAsn266, Asn2670. 8 Å, QBPSII. , , 1) Mn4, Mn4Mn10. 1 – 0. 2 Å. 2) Ca2+Mn4. 3) O6O51.5 Å. 4) Glu189, O5Mn1O6. 5) W665, O415 Å. 6) 5, Asp61, Asp170, His332, Ala344. O6, O51. 5 Å, O=O. S12F, O6Mn4CaO5Mn4CaO6. 1. 2 2. 3. PSIISFX 4. 1) Y. Umena, et al., 2011. Nature 473, 55-60 2) M. Suga, F. Akita.et al., 2015. Nature 517, 99-103 3) J. Kern. et al., 2013. Science 340, 491-495 4) J. Kern. et al., 2014. Nat. Comm. 5, 4371 5) C. Kupitz. et al., 2014. Nature. 513, 261-265 6) M. Suga, F. Akita.et al., 2017. Nature 543, 131-135 5. E-mail fusamichi_a@okayama-u.ac.jp −95−