Abstract
We present two approaches to the sequence-structure alignment or threading problem: given an amino acid sequence and a protein structure, find the best mapping of sequence residues to structure positions with respect to some scoring system. Methods to solve this problem have two main applications: first, the recognition or identification of a plausible fold for a protein sequence of unknown structure out of a database of representative protein structures and, second, the computation of accurate alignments by improving on sequence alignments using structural information in order to find a better starting point for homology based modeling.
We describe the application of these threading methods to a blind prediction of the structure of thymidine kinase (TK) of herpes simplex virus I: in combination with standard alignment and alignment evaluation methods implemented in our software package ToPLign, we were able to identify a model structure and to build a quite accurate partial model of essential parts of the structure including the active site.
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© 1997 Springer-Verlag Berlin Heidelberg
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Zimmer, R., Thiele, R. (1997). Fast protein fold recognition and accurate sequence-structure alignment. In: Hofestädt, R., Lengauer, T., Löffler, M., Schomburg, D. (eds) Bioinformatics. GCB 1996. Lecture Notes in Computer Science, vol 1278. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0033212
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DOI: https://doi.org/10.1007/BFb0033212
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