Crystal and molecular structure of muga wild silk fibres based on [Ala-Gly](n) sequence using LALS technique

Urs G. Thejas; Ananda H. T.; Prakash M. B. Nanda; Byrappa K.; Somashekar R.

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Crystal and molecular structure of muga wild silk fibres based on [Ala-Gly](n) sequence using LALS technique

机译：LALS技术基于[Ala-Gly]（n）序列的古加野蚕丝纤维的晶体和分子结构

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X-ray diffraction pattern of muga wild silk fibres has been recorded using imaging plate system (Dip-100S). In order to identify various Bragg reflections and to compute X-ray intensities of these reflections, fibre processing software (CCP13) has been used. A molecular model is first constructed with standard bond lengths and angles using helical symmetry and layer-line spacing observed in the X-ray pattern. The model is then refined against observed X-ray data using linked atom least squares method. The crystal and molecular structure of muga wild silk fibres are compared with reported domestic and wild silk fibre. We could get good R-factor with refinement of a model having beta-pleated sheet structures formed by hydrogen bonds having antipolar - antiparallel arrangement.

机译：已经使用成像板系统（Dip-100S）记录了大头野生丝纤维的X射线衍射图。为了识别各种布拉格反射并计算这些反射的X射线强度，已使用了光纤处理软件（CCP13）。首先使用螺旋对称性和在X射线图中观察到的层线间距，以标准的键长和角度构建分子模型。然后使用链接的原子最小二乘法对观察到的X射线数据精炼模型。穆加野生丝纤维的晶体和分子结构与已报道的国内和野生丝纤维进行了比较。通过对具有由反极性-反平行排列的氢键形成的β折叠片状结构的模型进行改进，我们可以获得良好的R因子。

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来源
《Indian Journal of Fibre & Textile Research》 |2015年第2期|131-136|共6页
作者
Urs G. Thejas; Ananda H. T.; Prakash M. B. Nanda; Byrappa K.; Somashekar R.;
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作者单位

Univ Mysore, Dept Studies Phys, Mysore 570006, Karnataka, India;

Govt Coll, Dept Phys, Mandya 571401, India;

Univ Mysore, Dept Studies Phys, Mysore 570006, Karnataka, India;

Univ Mysore, Dept Studies Earth Sci, Mysore 570006, Karnataka, India;

Univ Mysore, Dept Studies Phys, Mysore 570006, Karnataka, India;

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收录信息美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种 eng
中图分类
关键词
Crystal structure; Linked atom least squares; Muga silk; Silk; X-ray technique;

机译：晶体结构;连接的原子最小二乘法;穆加绸;真丝;X射线技术;

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1. Crystal structure of raw pure Mysore silk fibre based on (Ala-Gly)2-Ser-Gly peptide sequence using Linked-Atom-Least-Squares method. [J] . Sangappa, Mahesh S S, Somashekar R Journal of Biosciences . 2005,第2期

机译：基于Linked-Atom-Least-Squares方法基于（Ala-Gly）2-Ser-Gly肽序列的纯迈索尔丝纤维的晶体结构。
2. Crystal structure of raw pure Mysore silk fibre based on (Ala-Gly)2-Ser-Gly peptide sequence using Linked-Atom-Least-Squares method [J] . R Somashekar2, S S Mahesh, Sangappa Journal of biosciences . 2005,第2期

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3. Crystal Structure of Locally Available Tassar Fibers Based on[Ala-Gly]nAmino Acid Sequence: Using X-Ray Data and LALS Method [J] . ParameswaraPuttanna, SomashekarRudrappa International Scholarly Research Notices . 2011,第11期

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5. Structure-based design of mutant proteins: I. Molecular docking studies of amino acid binding to wild-type aminoacyl-tRNA synthetases. II. Structure-based design of mutant aminoacyl-tRNA synthetases for non-natural amino acid incorporation. [D] . Zhang, Deqiang. 2003

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6. Molecular Characterization of Lal2 an SRK-Like Gene Linked to the S-Locus in the Wild Mustard Leavenworthia alabamica [O] . Jeremiah W. Busch, Julia Sharma, Daniel J. Schoen 2008

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7. Crystal and molecular structure of muga wild silk fibres based on Ala-Glyn sequence using LALS technique [O] . Urs G. Thejas, Ananda H. T., Nanda Prakash M. B., 2015

机译：LALS技术基于Ala-Gly n序列的古加野蚕丝纤维的晶体和分子结构
8. Self-Assembly of a Modular Polypeptide Based on Blocks of Silk-Mimetic and Elastin-Mimetic Sequences. [R] . Cazalis, C. S., Conticello, V. P. 2002

机译：基于丝 - 模拟和弹性蛋白 - 模拟序列嵌段的模块化多肽的自组装。

Crystal and molecular structure of muga wild silk fibres based on [Ala-Gly](n) sequence using LALS technique

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