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Bhak, Jong
KOrean GenomIcs Center(KOGIC)
Research Interests
  • Geromics, genomics, bioinformatics, protein Engineering, OMICS

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Fast assignment of protein structures to sequences using the Intermediate Sequence Library PDB-ISL

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Title
Fast assignment of protein structures to sequences using the Intermediate Sequence Library PDB-ISL
Other Titles
Fast assignment of protein structures to sequences using the intermediate sequence library PDB-ISL.
Author
Teichmann, Sarah A.Chothia, CyrusChurch, George M.Bhak, Jong Hwa
Issue Date
2000-02
Publisher
OXFORD UNIV PRESS
Citation
BIOINFORMATICS, v.16, no.2, pp.117 - 124
Abstract
Motivation: For large-scale structural assignment to sequences, as in computational structural genomics, a fast yet sensitive sequence search procedure is essential. A new approach using intermediate sequences was tested as A shortcut to iterative multiple sequence search methods such as PSI-BLAST. Results: A library containing potential intermediate sequences for proteins of known structure (PDB-ISL) was constructed The sequences in the library were collected from a large sequence database using the sequences of the domains of proteins of known structure as the query sequences and the program PSI-BLAST. Sequences of proteins of unknown structure can be matched to distantly related proteins of known structure by using pairwise sequence comparison methods to find homologues in PDB-ISL. Searches of PDB-ISL were calibrated, and the number of correct matches found at a given error rate was the same as that found by PSI-BLAST. The advantage of this library is that it uses pairwise sequence comparison methods, such as FASTA or BLAST2, and can, therefore, be searched easily and, in many cases, much more quickly than an iterative multiple sequence comparison method. The procedure is roughly 20 times faster than PSI-BLAST for small genomes and several hundred times for large genomes
URI
https://scholarworks.unist.ac.kr/handle/201301/13255
URL
http://bioinformatics.oxfordjournals.org/content/16/2/117
DOI
10.1093/bioinformatics/16.2.117
ISSN
1367-4803
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BME_Journal Papers
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