2L1524 Interaction and function of the PsbP extrinsic protein in the oxygen evolving center of photosystem II(Photobiology: Photosynthesis,The 48th Annual Meeting of the Biophysical Society of Japan)

Abstract

deternnne the distanee bctween t"o paramagnetic Lenters-]th dEtfercnt resonant frequLneics in thc range of 20 80 A In this stud} "e detennined dstancL bet-ecn the redox active tyrosme iesiduL Yt} and the Mn?' bound to the affinity site m PSII by PFLDOR The result sho-the distancL frem YT] to the Mn2 wag estimdted te bt 30 ± 1 U A in Lhe first dark state ofphotoactivation The disLanLL-ab eonsistent with the posMons of Mn iong in diLtive Mn Llustcr obtaincd by X ray gtnicture [1] [1]UmellaY KawakamlK Shen1 R andKamiyaN Xature473 55{2011) 2L1512 Mt-u Sugiura BousbaciS(iCeli F}ee Sa Indiast SLiThe main cofactorny