Variation in structural location and amino acid conservation of functional sites in protein domain families. - Birgit Pils; Richard R. Copley; Jörg Schultz (BMC Bioinform., 2005)

Modelling interaction sites in protein domains with interaction profile hidden Markov models. - Torben Friedrich; Birgit Pils; Thomas Dandekar; Jörg Schultz; Tobias Müller 001 (Bioinform., 2006)

SMART 5: domains in the context of genomes and networks. - Ivica Letunic; Richard R. Copley; Birgit Pils; Stefan Pinkert; Jörg Schultz; Peer Bork (Nucleic Acids Res., 2006)