Hiroshi Ishikita, Giulia Morra, and Ernst-Walter Knapp* Biochemistry 42 (2003) 3882-3892 “Redox potential of quinones in photosynthetic reaction centers from Rhodobacter sphaeroides: dependence on protonation of Glu-L212 and Asp-L213″ JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* J. Biol. Chem. 278 (2003) 52002-52011 “Redox potential of quinones in both electron transfer branches of photosystem I” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* J. Am. Chem. Soc. 126 (2004) 8059-8064 “Hydrogen bond between Ser-L223 and QB–: protonation of Asp-L213 in the reaction center of Rhodobacter sphaeroides“ JournalPubMed
Hiroshi Ishikita, Bernhard Loll, Jacek Biesiadka, Artur Galstyan, Wolfram Saenger and Ernst-Walter Knapp* FEBS Lett. 579 (2005) 712-716 “Tuning electron transfer by ester-group of chlorophylls in bacterial photosynthetic reaction center” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp J. Am. Chem. Soc. 127 (2005) 1963-1968 “Redox potentials of chlorophylls and b-carotene in the antenna complexes of photosystem II” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* J. Biol. Chem. 280 (2005) 12446-12450 “Energetics of proton transfer pathways in reaction centers from Rhodobacter sphaeroides. The Glu-H173 activated mutants” JournalPubMed
Hiroshi Ishikita, Bernhard Loll, Jacek Biesiadka, Wolfram Saenger and Ernst-Walter Knapp Biochemistry 44 (2005) 4118-4124 “Redox potentials of chlorophylls in the photosystem II reaction center” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* FEBS Lett. 579 (2005) 3190-3194 “Redox potential of cytochrome c550 in the cyanobacterium Thermosynechococcus elongatus“JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* J. Am. Chem. Soc.127 (2005) 14714-14720 “Control of quinone redox potentials in photosystem II: electron transfer and photoprotection” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* Biochemistry 44 (2005) 14772-14784 “Oxidation of the non-heme iron complex in photosystem II” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* Proc. Natl. Acad. Sci. U. S. A.102 (2005) 16215-16220 [Direct Submission, Edited by H. Gray] “Induced conformational changes upon Cd2+ binding at photosynthetic reaction centers” JournalPubMed
Hiroshi Ishikita, Dietmar Stehlik, John H. Golbeck and Ernst-Walter Knapp* Biophys. J. 90 (2006) 1081-1089 “Electrostatic influence of PsaC protein binding to the PsaA/PsaB heterodimer in Photosystem I” JournalPubMed
Hiroshi Ishikita, Wolfram Saenger, Bernhard Loll, Jacek Biesiadka, and Ernst-Walter Knapp* Biochemistry 45 (2006) 2063-2071 “Energetics of a possible proton exit pathway for water oxidation in Photosystem II” JournalPubMed
Hiroshi Ishikita, Jacek Biesiadka, Bernhard Loll, Wolfram Saenger, and Ernst-Walter Knapp* Angew. Chem. 118 (2006) 1998-1999 Angew. Chem. Int. Ed. Engl. 45 (2006) 1964-1965 “Cationic state of accessory chlorophyll and electron transfer through pheophytin to plastoquinone in photosystem II” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* Biophys. J. 90 (2006) 3886-3896 “Function of redox-active tyrosine in photosystem II” JournalPubMed
Hiroshi Ishikita, Wolfram Saenger, Jacek Biesiadka, Bernhard Loll, and Ernst-Walter Knapp* Proc. Natl. Acad. Sci. U. S. A. 103 (2006) 9855-9860 [Direct Submission, Edited by H. Gray] “How photosynthetic reaction centers control oxidation power in chlorophyll pairs P680, P700 and P870” JournalPubMed
Hiroshi Ishikita and Ernst-Walter Knapp* FEBS Lett. 580 (2006) 4567-4570 “Electrostatic role of the non-heme iron complex in bacterial photosynthetic reaction center” JournalPubMed
Hiroshi Ishikita*, Bernhard Loll, Jacek Biesiadka, Jan Kern, Klaus-Dieter Irrgang, Athina Zouni, Wolfram Saenger and Ernst-Walter Knapp Biochim. Biophys. Acta (Bioenergetics) 1767 (2007) 79-87 “Function of two beta-carotenes near the D1 and D2 proteins in photosystem II dimers” JournalPubMed
Hiroshi Ishikita* and Ernst-Walter Knapp J. Am. Chem. Soc.129 (2007) 1210-1215 “Protonation states of ammonia/ammonium in the hydrophobic pore of ammonia transporter protein AmtB” JournalPubMed
Irina Karygina, Dietmar Stehlik, Ingelog Wyndhamn, Art van der Est, Hiroshi Ishikita, Ernst-Walter Knapp, Barath Jaganathan, Rufat Agalarov, and John H. Golbeck* Biochemistry 46 (2007) 10804-10816 “Contributions of the distant protein environment to the redox potentials of the A1 phylloquinone and the FX iron-sulfur cluster in photosystem I” JournalPubMed
Hiroshi Ishikita, Alexander V. Soudackov and Sharon Hammes-Schiffer* J. Am. Chem. Soc.129 (2007) 11146-11152 “Buffer-assisted proton-coupled electron transfer in a model rhenium-tyrosine complex” JournalPubMed
Hiroshi Ishikita* FEBS Lett.581 (2007) 4293-4297 “Modulation of the protein environment in the hydrophilic pore of the ammonia transporter protein AmtB upon the GlnK protein binding” JournalPubMed
Hiroshi Ishikita* J. Biol. Chem. 282 (2007) 25240-25246 “Contributions of protein environment to redox potentials of quinones in flavodoxins from Clostridium beijerinckii“ JournalPubMed
Hiroshi Ishikita, Artur Galstyan, and Ernst-Walter Knapp* Biochim. Biophys. Acta (Bioenergetics)1767(2007) 1300-1309 “Redox potential of the non-heme iron complex in bacterial photosynthetic reaction center” JournalPubmed
Frank Müh, Mohamed El-Amine Madjet, Julia Adolphs, Ayjamal, Abdurahman, Björn Rabenstein, Hiroshi Ishikita, Ernst-Walter Knapp, and Thomas Renger* Proc. Natl. Acad. Sci. U. S. A.104 (2007) 16862-16867 [Communicated by R. A. Marcus]”alpha-Helices direct excitation energy flow in the Fenna-Matthews-Olson protein” JournalPubmed
Sharon Hammes-Schiffer*, Elizabeth Hatcher, Hiroshi Ishikita, Jonathan Skone, and Alexander V. Soudackov Coord. Chem. Rev. 252 (2008) 384-394 “Theoretical studies of proton-coupled electron transfer: models and concepts relevant to bioenergetics” Pubmed
Hiroshi Ishikita and Arieh Warshel* Angew. Chem. 120 (2008) 709-712 Angew. Chem. Int. Ed. Engl. 47 (2008) 697-700 “Predicting drug resistant mutations of HIV protease” JournalPubmed
Hiroshi Ishikita* Biochemistry 47 (2008) 4394-4402 “Redox potential difference between Desulfovibrio vulgaris and Clostridium beijerinckii flavodoxins” JournalPubmed
Hiroshi Ishikita* J. Biol. Chem. 283 (2008) 30618-30623 “Light-induced hydrogen bonding pattern and driving force of electron transfer in AppA BLUF domain photoreceptor” JournalPubmed
Hiroshi Ishikita* FEBS Lett.584 (2010) 3464-3468 “Origin of the pKa shift of the catalytic lysine in acetoacetate decarboxylase” JournalPubmed
Ana Patricia Gamiz-Hernandez, Gernot Kieseritzky, Hiroshi Ishikita, and Ernst-Walter Knapp* J. Chem. Theory Comput. 7 (2011) 742-752 “Rubredoxin function: redox behavior from electrostatics” Journal
Hiroshi Ishikita* PLoS One 6 (2011) e16920, 1-7 “Proton-binding sites of acid-sensing ion channel 1” JournalPubmed
Hiroshi Ishikita*, Koji Hasegawa, and Takumi Noguchi Biochemistry 50 (2011) 5436-5442 “How does the QB site influence propagate to the QA site in Photosystem II?” JournalPubmed
Hiroshi Ishikita* PLoS One 6 (2011) e26808, 1-5 “Tyrosine deprotonation and associated hydrogen bond rearrangements in a photosynthetic reaction center” JournalPubmed
Keisuke Saito, Toyokazu Ishida, Miwa Sugiura, Keisuke Kawakami, Yasufumi Umena, Nobuo Kamiya, Jian-Ren Shen, and Hiroshi Ishikita* J. Am. Chem. Soc. 133 (2011) 14379-14388 “Distribution of the cationic state over the chlorophyll pair of photosystem II reaction center” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Biophys. J. 101(2011) 2018-2025 “Cationic state distribution over the P700 chlorophyll pair in Photosystem I” JournalPubmed
Keisuke Saito, Jian-Ren Shen, Toyokazu Ishida, and Hiroshi Ishikita* Biochemistry50 (2011) 9836-9844 “Short hydrogen-bond between redox-active tyrosine YZ and D1-His190 in the photosystem II crystal structure” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A.109 (2012) 167-172 [Direct Submission, Edited by A. Fersht] “Energetics of short hydrogen bonds in photoactive yellow protein” JournalPubmed
Keisuke Saito, Jian-Ren Shen, and Hiroshi Ishikita* Biochim. Biophys. Acta (Bioenergetics)1817 (2012) 1191-1195 “Cationic state distribution over the chlorophyll d-containing PD1/PD2 pair in photosystem II” JournalPubmed
Hiroshi Ishikita*, Bryan T. Eger, Ken Okamoto, Takeshi Nishino, and Emil F. Pai J. Am. Chem. Soc. 134 (2012) 999-1009 “Protein conformational gating of enzymatic activity in xanthine oxidoreductase” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Biochemistry51 (2012) 1171-1177 “H atom positions and nuclear magnetic resonance chemical shifts of short H bonds in photoactive yellow protein” JournalPubmed
Keisuke Saito, Jian-Ren Shen, and Hiroshi Ishikita* Biophys. J. 102 (2012) 2634-2640 “Influence of the axial ligand on the cationic properties of the chlorophyll pair in photosystem II from Thermosynechococcus vulcanus“ JournalPubmed
Keisuke Saito, Yasufumi Umena, Keisuke Kawakami, Jian-Ren Shen, Nobuo Kamiya, and Hiroshi Ishikita* Biochemistry 51 (2012) 4290-4299 “Deformation of chlorin rings in the photosystem II crystal structure” JournalPubmed
Keisuke Saito, Hideki Kandori, and Hiroshi Ishikita* J. Biol. Chem. 287 (2012) 34009-34018 “Factors that differentiate the H-bond strengths of water near the Schiff bases in bacteriorhodopsin and Anabaena sensory rhodopsin” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Biochim. Biophys. Acta (Bioenergetics)1827 (2013) 387-394 “Formation of an unusually short hydrogen bond in photoactive yellow protein” JournalPubmed
Keisuke Saito, A. William Rutherford, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 110 (2013) 954-959 [Direct Submission, Edited by P. Joliot] “Mechanism of proton-coupled quinone reduction in Photosystem II” JournalPubmed
Keisuke Saito, A. William Rutherford, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 110 (2013) 7690-7695 [Direct Submission, Edited by H. Gray] “Mechanism of Tyrosine D oxidation in Photosystem II” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Biochim. Biophys. Acta (Bioenergetics)1837 (2014) 159-166 “Influence of the Ca2+ ion on the Mn4Ca conformation and the H-bond network arrangement in Photosystem II” JournalPubmed
Hiroshi Ishikita* and Keisuke Saito J. R. Soc. Interface 11(2014) 20130518 doi: 10.1098/rsif.2013.0518 “Proton transfer reactions and hydrogen-bond networks in protein environments” JournalPubmed
Keisuke Saito, A. William Rutherford, and Hiroshi Ishikita* Nat. Commun. 6:8488 (2015) doi: 10.1038/ncomms9488 “Energetics of proton release on the first oxidation step in the water-oxidizing enzyme” JournalPubmed
Tomohiro Takaoka, Naoki Sakashita, Keisuke Saito, and Hiroshi Ishikita* J. Phys. Chem. Lett. 7 (2016) 1925-1932 “pKa of a proton conducting water chain in photosystem II” JournalPubmed
Keisuke Saito*, Naoki Sakashita, and Hiroshi Ishikita Aust. J. Chem. 69 (2016) 991-998 “Energetics of the proton transfer pathway for tyrosine D in photosystem II” Journal
Kento Motoyama, Hideaki Unno, Ai Hattori, Tomohiro Takaoka, Hiroshi Ishikita, Hiroshi Kawaide, Tohru Yoshimura, and Hisashi Hemmi* J. Biol. Chem. 292(2017) 2457-2469 “A single amino acid mutation converts (R)-5-diphosphomevalonate decarboxylase into a kinase” JournalPubmed
Naoki Sakashita, Hiroshi C. Watanabe, Takuya Ikeda, and Hiroshi Ishikita* Photosynth. Res. 133 (2017) 75-85. doi: 10.1007/s11120-017-0347-1 “Structurally conserved channels in cyanobacterial and plant photosystem II” JournalPubmed
Hiroshi C. Watanabe, Yuki Yamashita, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 114 (2017) 2916-2921 [Direct Submission, Edited by A. Warshel] “Electron transfer pathways in a multi-heme cytochrome MtrF” JournalPubmed
Ryo Hasegawa, Keisuke Saito, Tomohiro Takaoka, and Hiroshi Ishikita* Photosynth. Res. 133 (2017) 297-304. doi: 10.1007/s11120-017-0382-y “pKa of ubiquinone, menaquinone, phylloquinone, plastoquinone, and rhodoquinone in aqueous solution” JournalPubmed
Keisuke Kawashima and Hiroshi Ishikita* Biochemistry 56 (2017) 3019-3028. doi: 10.1021/acs.biochem.7b00082 “Structural factors that alter the redox potential of quinones in cyanobacterial and plant photosystem I” JournalPubmed
Naoki Sakashita, Hiroshi C. Watanabe, Takuya Ikeda, Keisuke Saito, and Hiroshi Ishikita* Biochemistry 56 (2017) 3049-3057. doi: 10.1021/acs.biochem.7b00220 “Origins of water molecules in the photosystem II crystal structure” JournalPubmed
Takuya Ikeda, Keisuke Saito, Ryo Hasegawa, and Hiroshi Ishikita* Angew. Chem. 129 (2017) 9279-9282. doi: 10.1002/ange.201705512 Angew. Chem. Int. Ed. 56 (2017) 9151-9154. doi: 10.1002/anie.201705512 “Existence of isolated H3O+ in the protein interior” JournalPubmed
Hiroshi C. Watanabe*, Maximilian Kubillus, Tomas Kubar, Robert Stach, Boris Mizaikoff, and Hiroshi Ishikita Phys. Chem. Chem. Phys. 19 (2017) 17985-17997. doi: 10.1039/C7CP01708A “Cation solvation with quantum chemical effects modeled by size-consistent multi-partitioning quantum mechanics/molecular mechanics method” JournalPubmed
Shinnosuke Kishi, Keisuke Saito, Yuki Kato, and Hiroshi Ishikita* Photosynth. Res. 134 (2017) 193-200. doi: 10.1007/s11120-017-0433-4 “Redox potentials of ubiquinone, menaquinone, phylloquinone, and plastoquinone in aqueous solution” JournalPubmed
Hiroshi C. Watanabe, Yuki Yamashita, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 114 (2017) E10029-E10030. doi: 10.1073/pnas.1717048114 “Molecular dynamics simulations do not provide functionally relevant values of redox potential in MtrF” JournalPubmed
Keisuke Saito*, Takumi Suzuki, and Hiroshi Ishikita J. Photochem. Photobiol. A 358 (2018) 422-431. doi: 10.1016/j.jphotochem.2017.10.003 “Absorption-energy calculations of chlorophyll a and b with an explicit solvent model” Journal
Keisuke Kawashima, Tomohiro Takaoka, Hiroki Kimura, Keisuke Saito, and Hiroshi Ishikita* Nat. Commun. 9:1247 (2018) doi: 10.1038/s41467-018-03545-w “O2 evolution and recovery of the water-oxidizing enzyme” JournalPubmed
Keisuke Kawashima and Hiroshi Ishikita* Chem. Sci. 9 (2018) 4083-4092. doi 10.1039/C8SC00424B “Energetic insights into two electron transfer pathways in light-driven energy-converting enzymes” JournalPubmed
Yoshitaka Saga*, Keiya Hirota, Sayaka Matsui, Hitoshi Asakawa, Hiroshi Ishikita, Keisuke Saito* Biochemistry 57 (2018) 3075-3083. doi: 10.1021/acs.biochem.8b00259 “Selective removal of B800 bacteriochlorophyll a from the light-harvesting complex 2 of the purple photosynthetic bacterium Phaeospirillum molischianum” JournalPubmed
Keisuke Kawashima, Keisuke Saito, and Hiroshi Ishikita* Biochemistry 57 (2018) 4997-5004. doi: 10.1021/acs.biochem.8b00574 “Mechanism of radical formation in the H-bond network of D1-Asn298 in photosystem II” JournalPubmed
Keiichi Kojima, Hiroshi C. Watanabe, Satoko Doi, Natsuki Miyoshi, Misaki Kato, Hiroshi Ishikita, Yuki Sudo* Biophys. Physicobiol. 15 (2018) 179-188. doi: 10.2142/biophysico.15.0_179 “Mutational analysis of the conserved carboxylates of anion channelrhodopsin-2 (ACR2) expressed in Escherichia coli and their roles in anion transport” JournalPubmed
Keisuke Saito and Hiroshi Ishikita* Biochim. Biophys. Acta (Bioenergetics)1860 (2019) 148059. doi: 10.1016/j.bbabio.2019.148059 “Mechanism of protonation of the over-reduced Mn4CaO5 cluster in photosystem II” JournalPubmed
Hiroyuki Tamura*, Koki Azumaya, and Hiroshi Ishikita J. Phys. Chem. Lett. 10 (2019) 7623-7628. doi: 10.1021/acs.jpclett.9b03029 “Long-range exciton diffusion via singlet revival mechanism” JournalPubmed
Keiichi Kojima, Tetsuya Ueta, Tomoyasu Noji, Keisuke Saito, Kanae Kanehara, Susumu Yoshizawa, Hiroshi Ishikita, Yuki Sudo* Sci. Rep. 10 (2020) 282. doi: 10.1038/s41598-019-57122-2 “Vectorial proton transport mechanism of RxR, a phylogenetically distinct and thermally stable microbial rhodopsin” JournalPubmed
Manoj Mandal, Keisuke Kawashima, Keisuke Saito, and Hiroshi Ishikita* J. Phys. Chem. Lett. 11 (2020) 249-255. doi: 10.1021/acs.jpclett.9b02831 “Redox potential of the oxygen-evolving complex in the electron transfer cascade of photosystem II” JournalPubmed
Hiroyuki Tamura* and Hiroshi Ishikita J. Phys. Chem. A 124 (2020) 5081-5088. doi: 10.1021/acs.jpca.0c02228 “Quenching of singlet oxygen by carotenoids via ultrafast super-exchange dynamics” JournalPubmed
Hiroyuki Tamura, Keisuke Saito, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 117 (2020) 6373-6382. doi: 10.1073/pnas.2000895117 [Direct Submission, Edited by P. Falkowski] “Acquirement of water-splitting ability and alteration of charge-separation mechanism in photosynthetic reaction centers” JournalPubmed
Naoki Sakashita, Hiroshi Ishikita, and Keisuke Saito* Phys. Chem. Chem. Phys. 22 (2020) 15831-15841. doi: 10.1039/d0cp00295j “Rigidly hydrogen-bonded water molecules facilitate proton transfer in photosystem II” JournalPubmed
Keisuke Saito, Minesato Nakagawa, and Hiroshi Ishikita* Commun. Chem. 3 (2020) 89. doi: 10.1038/s42004-020-00336-7 “pKa of the ligand water molecules in the oxygen-evolving Mn4CaO5 cluster in photosystem II” Journal
Keisuke Saito, Manoj Mandal, and Hiroshi Ishikita* Biochemistry 59 (2020) 3216-3224. doi: 10.1021/acs.biochem.0c00177 “Energetics of ionized water molecules in the H-bond network near the Ca2+ and Cl– binding sites in photosystem II” JournalPubmed
Keiichi Kojima, Natsuki Miyoshi, Atsushi Shibukawa, Srikanta Chowdhury, Masaki Tsujimura, Tomoyasu Noji, Hiroshi Ishikita, Akihiro Yamanaka, and Yuki Sudo* J. Phys. Chem. Lett. 11 (2020) 6214-6218. doi: 10.1021/acs.jpclett.0c01406 “Green-sensitive, long-lived, step-functional anion channelrhodopsin-2 variant as a high-potential neural silencing tool” JournalPubmed
Keisuke Saito*, Koji Mitsuhashi, and Hiroshi Ishikita* J. Photochem. Photobiol. A 402 (2020) 112799. doi: 10.1016/j.jphotochem.2020.112799 “Dependence of the chlorophyll wavelength on the orientation of a charged group: why does the accessory chlorophyll have a low site energy in photosystem II?” Journal
Keisuke Saito, Manoj Mandal, and Hiroshi Ishikita* Phys. Chem. Chem. Phys. 22 (2020) 25467-25473. doi: 10.1039/D0CP04265J “Redox potentials along the redox-active low-barrier H-bonds in electron transfer pathways” JournalPubmed
Manoj Mandal, Keisuke Saito, and Hiroshi Ishikita* J. Phys. Chem. Lett. 11 (2020) 10262-10268. doi: 10.1021/acs.jpclett.0c02868 “The nature of the short oxygen-oxygen distance in the Mn4CaO6 complex of the photosystem II crystals” JournalPubmed
Masaki Tsujimura and Hiroshi Ishikita* J. Phys. Chem. B 124 (2020) 11819-11826. doi: 10.1021/acs.jpcb.0c08910 “Insights into the protein functions and absorption wavelengths of microbial rhodopsins” JournalPubmed
Hiroshi Kuroda1, Keisuke Kawashima1, Kazuyo Ueda, Takuya Ikeda, Keisuke Saito, Ryo Ninomiya, Chisato Hida, Yuichiro Takahashi*, Hiroshi Ishikita* Biochim. Biophys. Acta (Bioenergetics)1862 (2021) 148329. doi: 10.1016/j.bbabio.2020.148329 “Proton transfer pathway from the oxygen-evolving complex in photosystem II substantiated by extensive mutagenesis” 1These authors contributed equally to this work. JournalPubmed
Masaki Tsujimura* and Hiroshi Ishikita* J. Biol. Chem. 296 (2021) 100459. doi: 10.1016/j.jbc.2021.100459 “Identification of intermediate conformations in the photocycle of the light-driven sodium-pumping rhodopsin KR2” JournalPubmed
Koji Mitsuhashi, Hiroyuki Tamura, Keisuke Saito, and Hiroshi Ishikita* J. Phys. Chem. B 125 (2021) 2879-2885. doi: 10.1021/acs.jpcb.0c10885 “Nature of asymmetric electron transfer in the symmetric pathways of photosystem I” JournalPubmed
Manoj Mandal, Keisuke Saito, and Hiroshi Ishikita* J. Phys. Chem. Lett. 12 (2021) 4032-4037. doi: 10.1021/acs.jpclett.1c00814 “Two distinct oxygen-radical conformations in the X‑ray free electron laser structures of photosystem II” JournalPubmed
Hiroyuki Tamura*, Keisuke Saito, and Hiroshi Ishikita Chem. Sci. 12 (2021) 8131-8140. doi: 10.1039/D1SC01497H “Origin of unidirectional charge separation in photosynthetic reaction centers: nonadiabatic quantum dynamics of exciton and charge in the pigment-protein complexes” JournalPubmed
Keisuke Saito*, Minesato Nakagawa, Manoj Mandal and Hiroshi Ishikita* Photosynth. Res. 148 (2021) 153-159. doi: 10.1007/s11120-021-00846-y “Role of redox-inactive metals in controlling the redox potential of heterometallic manganese-oxido clusters” JournalPubmed
Yu Sugo, Keisuke Saito, and Hiroshi Ishikita* Proc. Natl. Acad. Sci. U. S. A. 118 (2021) e2103203118. doi: 10.1073/pnas.2103203118 “Mechanism of the formation of proton transfer pathways in photosynthetic reaction centers” JournalPubmed
Tomoki Kanda1, Keisuke Saito1, and Hiroshi Ishikita* J. Phys. Chem. Lett. 12 (2021) 7431-7438. doi: 10.1021/acs.jpclett.1c01896 “Electron acceptor-donor Fe sites in the iron-sulfur cluster of photosynthetic electron-transfer pathways” 1These authors contributed equally to this work. JournalPubmed
Yasunori Saitoh1, Namiki Mitani-Ueno1, Keisuke Saito1, Kengo Matsuki, Sheng Huang, Lingli Yang, Naoki Yamaji, Hiroshi Ishikita, Jian-Ren Shen, Jian Feng Ma, and Michihiro Suga * Nat. Commun. 9 (2021) in press “Structural basis for high selectivity of a rice silicon channel Lsi1” 1These authors contributed equally to this work.
OTHERS
Irina Karyagina1, Yulia Pushkar, Dietmar Stehlik, Art van der Groot, Hiroshi Ishikita, Ernst-Walter Knapp, Bharat Jagannathan, Rufat Agalarov, and John H. Golbeck* Photosynthesis. Energy from the Sun (2008) pp. 101-104 (DOI: 10.1007/978-1-4020-6709-9_23) “The influence of aspartate 575PsaB on the midpoint potentials of phylloquinones A1A/A1B and the Fx iron-sulfur cluster in photosystem I”
Keisuke Saito and Hiroshi Ishikita* Nature Precedings(2011) doi:10.1038/npre.2011.6486.1 “Cationic state distributions over chlorophyll pairs in photosystem I and II”
