3877 search results - page 355 / 776 » Aligning Alignments |
207
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BMCBI
2008
15 years 7 months ago
2008
Background: The most common substitution matrices currently used (BLOSUM and PAM) are based on protein sequences with average amino acid distributions, thus they do not represent ...
215
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BMCBI
2010
15 years 7 months ago
2010
Background: While multiple alignment is the first step of usual classification schemes for biological sequences, alignment-free methods are being increasingly used as alternatives...
200
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BMCBI
2007
15 years 7 months ago
2007
Background: Proteins that evolve from a common ancestor can change functionality over time, and it is important to be able identify residues that cause this change. In this paper ...
147
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BIOINFORMATICS
2006
15 years 6 months ago
2006
: Amino acid changing mutations in proteins are contstrained by purifying selection and accumulate at different rates. We estimate evolutionary rates on multiple alignments of euka...
112
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DCG
2006
15 years 6 months ago
2006
We prove that four spheres in R3 have infinitely many real common tangents if and only if they have aligned centers and at least one real common tangent.