Selecton: a server for detecting evolutionary forces at a single amino-acid site
Author(s) -
Adi DoronFaigenboim,
A. Stern,
Itay Mayrose,
Eran Bacharach,
Tal Pupko
Publication year - 2005
Publication title -
bioinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.599
H-Index - 390
eISSN - 1367-4811
pISSN - 1367-4803
DOI - 10.1093/bioinformatics/bti259
Subject(s) - web server , web site , selection (genetic algorithm) , computer science , set (abstract data type) , negative selection , sequence (biology) , identification (biology) , computational biology , darwinism , artificial intelligence , biology , the internet , evolutionary biology , genetics , world wide web , gene , ecology , programming language , genome
We present an algorithmic tool for the identification of biologically significant amino acids in proteins of known three dimensional structure. We estimate the degree of purifying selection and positive Darwinian selection at each site and project these estimates onto the molecular surface of the protein. Thus, patches of functional residues (undergoing either positive or purifying selection), which may be discontinuous in the linear sequence, are revealed. We test for the statistical significance of the site-specific scores in order to obtain reliable and valid estimates.
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