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Fold Recognition via a Tree

By Yu Chen and Gordon M. Crippen

Abstract

Recently, we developed a pairwise structural alignment algorithm using realistic structural and environmental information (SAUCE). In this paper, we at first present an automatic fold hierarchical classification based on SAUCE alignments. This classification enables us to build a fold tree containing different levels of multiple structural profiles. Then a tree-based fold search algorithm is described. We applied this method to a group of structures with sequence identity less than 35% and did a series of leave one out tests. These tests are approximately comparable to fold recognition tests on superfamily level. Results show that fold recognition via a fold tree can be faster and better at detecting distant homologues than classic fold recognition methods

Publisher: Mary Ann Liebert, Inc., publishers
Year: 2006
DOI identifier: 10.1089/cmb.2006.13.1565
OAI identifier: oai:deepblue.lib.umich.edu:2027.42/63155
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