Götz S, Arnold R, Sebastián-Leon P, et al. B2G-FAR, a species centered GO annotation repository. Bioinformatics (Oxford, England). 2011;27:919-924.

Rattei T, Tischler P, Götz S, et al. SIMAP?a comprehensive database of pre-calculated protein sequence similarities, domains, annotations and clusters. Nucleic acids research. 2010;38:D223-6.