The Rice Annotation Project Database (RAP-DB): hub for Oryza sativa ssp. japonica genome information. - Hajime Ohyanagi; Tsuyoshi Tanaka; Hiroaki Sakai; Yasumasa Shigemoto; Kaori Yamaguchi; Takuya Habara; Yasuyuki Fujii; Baltazar A. Antonio; Yoshiaki Nagamura; Tadashi Imanishi; Kazuho Ikeo; Takeshi Itoh; et al. (Nucleic Acids Res., 2006)

Evola: Ortholog database of all human genes in H-InvDB with manual curation of phylogenetic trees. - Akihiro Matsuya; Ryuichi Sakate; Yoshihiro Kawahara; Kanako O. Koyanagi; Yoshiharu Sato; Yasuyuki Fujii; Chisato Yamasaki; Takuya Habara; Hajime Nakaoka; Fusano Todokoro; Kaori Yamaguchi; Toshinori Endo; et al. (Nucleic Acids Res., 2008)