[1] PAL2NAL: robust conversion of protein sequence alignments into the corresponding codon alignments

[2] InterProScan--an integration platform for the signature-recognition methods in InterPro

[3] CDD: a database of conserved domain alignments with links to domain three-dimensional structure

[4] The Universal Protein Resource (UniProt)

[5] CORUM: the comprehensive resource of mammalian protein complexes