Originally Published in PROTEINS: Structure, Function, and Bioinformatics 2012;80(6):1522–1544 (DOI: 10.1002/prot.24036), the acknowledgements incorrectly omitted funding information. The Acknowledgements section should read:
This work was supported by a grant-in-aid from the Heart and Stroke foundation of Ontario to JP (#T6748). GC was supported by a Research Training award from the Hospital for Sick Children. EC was supported by a grant to Francis Ouellette, from the Ontario Institute for Cancer Research, provided by the Government of Ontario. The authors wish to thank Dr. James Wasmuth and Tuan On for their assistance in compiling data for the phylogenetic profiles.