On the Dependence Structure of Sequence Alignment Scores Calculated with Multiple Scoring Matrices

Verfasser / Beitragende:
[Florian Frommlet, Andreas Futschik]
Ort, Verlag, Jahr:
2004
Enthalten in:
Statistical Applications in Genetics and Molecular Biology, 3/1(2004-10-05), 1-12
Format:
Artikel (online)
ID: 378925814
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024 7 0 |a 10.2202/1544-6115.1073  |2 doi 
035 |a (NATIONALLICENCE)gruyter-10.2202/1544-6115.1073 
245 0 0 |a On the Dependence Structure of Sequence Alignment Scores Calculated with Multiple Scoring Matrices  |h [Elektronische Daten]  |c [Florian Frommlet, Andreas Futschik] 
520 3 |a A common practice in protein sequence alignment is to try several scoring matrices until "something interesting" is found. This leads to a multiple testing problem making p- and E-values hard to interpret. We focus on local alignment and propose to use logistic copula functions to model explicitly the dependence structure of scores obtained using different scoring matrices. By doing this, we obtain p-value correction factors when using more than one scoring matrix on the same sequences. Furthermore the parameter of the logistic copula can be interpreted as measure of dependence, providing insight concerning the relatedness of the scores from different matrices. 
540 |a ©2011 Walter de Gruyter GmbH & Co. KG, Berlin/Boston 
690 7 |a Computational Biology/Bioinformatics  |2 nationallicence 
690 7 |a sequence alignment  |2 nationallicence 
690 7 |a copula functions  |2 nationallicence 
690 7 |a multivariate dependence  |2 nationallicence 
700 1 |a Frommlet  |D Florian  |u Medical University of Vienna  |4 aut 
700 1 |a Futschik  |D Andreas  |u Univ. of Vienna  |4 aut 
773 0 |t Statistical Applications in Genetics and Molecular Biology  |d De Gruyter  |g 3/1(2004-10-05), 1-12  |q 3:1<1  |1 2004  |2 3  |o sagmb 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Frommlet  |D Florian  |u Medical University of Vienna  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Futschik  |D Andreas  |u Univ. of Vienna  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Statistical Applications in Genetics and Molecular Biology  |d De Gruyter  |g 3/1(2004-10-05), 1-12  |q 3:1<1  |1 2004  |2 3  |o sagmb 
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