Cherkasov A, Jones S. An approach to large scale identification of non-obvious structural similarities between proteins. [BMC Bioinformatics 2004, 5:61]: Presents a sequence-independent search method for proteins with similar three-dimensional structures. The approach uses the numerical outputs from sequence-structure threading to identify the potential structural similarity between a pair of proteins by correlating the threading scores of the corresponding two primary sequences against the library of the standard folds.