@article{articlebafdd3b3,
title   = {The CATH hierarchy revisited - structural divergence in domain superfamilies and the continuity of fold space},
author = {Cuff, Alison L. and Redfern, Oliver C. and Greene, Lesley and Sillitoe, Ian and Lewis, Tony and Dibley, Mark and Reid, Adam and Pearl, Frances and Dallman, Tim and Todd, Annabel and Garratt, Richard Charles and Thornton, Janet and Orengo, Christine A.},
year = {2009},
doi = {10.1016/j.str.2009.06.015},
journal   = {Structure}
}