Full Electron Calculation Beyond 20, 000 Atoms: Ground Electronic State of Photosynthetic Proteins. - Tsutomu Ikegami; Toyokazu Ishida; Dmitri G. Fedorov; Kazuo Kitaura; Yuichi Inadomi; Hiroaki Umeda; Mitsuo Yokokawa; Satoshi Sekiguchi (SC, 2005)

Accuracy of the three-body fragment molecular orbital method applied to Møller-Plesset perturbation theory. - Dmitri G. Fedorov; Kazuya Ishimura; Toyokazu Ishida; Kazuo Kitaura; Peter Pulay; Shigeru Nagase (J. Comput. Chem., 2007)

Change in a protein's electronic structure induced by an explicit solvent: An ab initio fragment molecular orbital study of ubiquitin. - Yuto Komeiji; Toyokazu Ishida; Dmitri G. Fedorov; Kazuo Kitaura (J. Comput. Chem., 2007)

Fragment molecular orbital study of the electronic excitations in the photosynthetic reaction center of Blastochloris viridis. - Tsutomu Ikegami; Toyokazu Ishida; Dmitri G. Fedorov; Kazuo Kitaura; Yuichi Inadomi; Hiroaki Umeda; Mitsuo Yokokawa; Satoshi Sekiguchi (J. Comput. Chem., 2010)