Everyone Is a Protagonist: Residue Conformational Preferences in High-Resolution Protein Structures
Everyone Is a Protagonist: Residue Conformational Preferences in High-Resolution Protein Structures
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每个人都是主角:高分辨率蛋白质结构中的残基构象偏好
DOI:
10.1089/cmb.2017.0182
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
M. Dorn
中科院分区:
文献类型:
--
作者:
R. Ligabue-Braun;B. Borguesan;H. Verli;M. J. Krause;M. Dorn
In many structural bioinformatics problems, there is a broad range of unanswered questions about protein dynamics and amino acid properties. Proteins are not strictly static objects, but rather populate ensembles of conformations. One way to understand these particularities is to analyze the information available in experimental databases. The Ramachandran plot, despite being more than half a century old, remains an utterly useful tool in the study of protein conformation. Based on its assumptions, we inspected a large data set (11,130 protein structures, amounting to 5,255,768 residues) and discriminated the conformational preferences of each residue type regarding their secondary structure participation. These data were studied for phi \documentclass{aastex}\usepackage{amsbsy}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{bm}\usepackage{mathrsfs}\usepackage{pifont}\usepackage{stmaryrd}\usepackage{textcomp}\usepackage{portland, xspace}\usepackage{amsmath, amsxtra}\usepackage{upgreek}\pagestyle{empty}\DeclareMathSizes{10}{9}{7}{6}\begin{document} $$( \phi )$$ \end{document}, psi \documentclass{aastex}\usepackage{amsbsy}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{bm}\usepackage{mathrsfs}\usepackage{pifont}\usepackage{stmaryrd}\usepackage{textcomp}\usepackage{portland, xspace}\usepackage{amsmath, amsxtra}\usepackage{upgreek}\pagestyle{empty}\DeclareMathSizes{10}{9}{7}{6}\begin{document} $$( \psi )$$ \end{document}, and side chain chi \documentclass{aastex}\usepackage{amsbsy}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{bm}\usepackage{mathrsfs}\usepackage{pifont}\usepackage{stmaryrd}\usepackage{textcomp}\usepackage{portland, xspace}\usepackage{amsmath, amsxtra}\usepackage{upgreek}\pagestyle{empty}\DeclareMathSizes{10}{9}{7}{6}\begin{document} $$( \chi )$$ \end{document} angles, being presented in non-Ramachandranian plots. In the largest analysis of protein conformation made so far, we propose an original plot to depict conformational preferences in relation to different secondary structure elements. Despite confirming previous observations, our results strongly support a unique character for each residue type, whereas also reinforcing the observation that side chains have a major contribution to secondary structure and, by consequence, on protein conformation. This information can be further used in the development of more robust methods and computational strategies for structural bioinformatics problems.
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影响因子:
1.2
作者:
Michal Brylinski
通讯作者:
Michal Brylinski
DOI:
--
发表时间:
2005
期刊:
Proteins: Structure, Function, and Bioinformatics
影响因子:
--
作者:
M. Parisien;F. Major
通讯作者:
F. Major
影响因子:
8
作者:
Ho, BK;Thomas, A;Brasseur, R
通讯作者:
Brasseur, R
DOI:
10.1016/0167-4838(87)90109-9
发表时间:
1987-11-26
期刊:
BIOCHIMICA ET BIOPHYSICA ACTA
影响因子:
--
作者:
WILLIAMS, RW;CHANG, A;LOUGHRAN, S
通讯作者:
LOUGHRAN, S
DOI:
--
发表时间:
2001
期刊:
影响因子:
--
作者:
C. Ramakrishnan
通讯作者:
C. Ramakrishnan