Determination of mean and standard deviation of dihedral angles

被引：12

作者：

Döker, R

Maurer, T

Kremer, W

Neidig, KP

Kalbitzer, HR ^{[1
]}

机构：

[1] Univ Regensburg, Inst Biophys & Phys Biochem, D-93040 Regensburg, Germany

[2] Bruker Analyt GmbH, Software Dept, D-76275 Ettlingen, Germany

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 1999年 / 257卷 / 02期

关键词：

backbone; protein structure; statistical treatment of angles cyclic quantities; structure comparison; torsion angles;

D O I：

10.1006/bbrc.1999.0462

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Backbone torsional angles are a characteristic and useful parameter for the description and characterisation of protein structures determined by x-ray crystallography or NMR spectroscopy. For the comparison of an ensemble of three-dimensional structures the calculation of the statistical parameters mean and standard deviation would be very useful. However, they are not defined unambiguously for periodic quantities such as the dihedral angles. In this paper a plausible and unique definition of these parameters is introduced and a straightforward method for their calculation is given. (C) 1999 Academic Press.

引用

页码：348 / 350

页数：3

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