Ahmet Sacan Ismail Hakki Toroslu Hakan Ferhatosmanoglu Integrated search and alignment of protein structures. 2872-2879 2008 24 Bioinformatics 24 http://dx.doi.org/10.1093/bioinformatics/btn545 db/journals/bioinformatics/bioinformatics24.html#SacanTF08