Determinants of protein function revealed by combinatorial entropy optimization.
Determinants of protein function revealed by combinatorial entropy optimization.
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DOI:
10.1186/gb-2007-8-11-r232
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发表时间:
2007
期刊:
影响因子:
12.3
通讯作者:
Sander C
中科院分区:
文献类型:
--
作者:
Reva B;Antipin Y;Sander C
A new algorithm is presented allows protein specificity residues to be assigned from multiple sequence alignments alone. This information can be used, amongst other things, to infer protein functions. We use a new algorithm (combinatorial entropy optimization [CEO]) to identify specificity residues and functional subfamilies in sets of proteins related by evolution. Specificity residues are conserved within a subfamily but differ between subfamilies, and they typically encode functional diversity. We obtain good agreement between predicted specificity residues and experimentally known functional residues in protein interfaces. Such predicted functional determinants are useful for interpreting the functional consequences of mutations in natural evolution and disease.
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