eggNOG v3.0: orthologous groups covering 1133 organisms at 41 different taxonomic ranges. - Sean Powell; Damian Szklarczyk; Kalliopi Trachana; Alexander Roth 001; Michael Kuhn 004; Jean Muller; Roland Arnold; Thomas Rattei; Ivica Letunic; Tobias Doerks; Lars Juhl Jensen; Christian von Mering; et al. (Nucleic Acids Res., 2012)

eggNOG v4.0: nested orthology inference across 3686 organisms. - Sean Powell; Kristoffer Forslund; Damian Szklarczyk; Kalliopi Trachana; Alexander Roth 001; Jaime Huerta-Cepas; Toni Gabaldón; Thomas Rattei; Christopher J. Creevey; Michael Kuhn 004; Lars Juhl Jensen; Christian von Mering; et al. (Nucleic Acids Res., 2014)