|本期目录/Table of Contents|

[1]韦阳道,易弋,石征宇,等.基于分子动力学模拟研究定点突变对葡聚糖酶热稳定性的影响[J].江苏农业科学,2017,45(20):54-58.
 Wei Yangdao,et al.Study on influence of site-specific mutagenesis on heat stability of glucanase based on molecular dynamics[J].Jiangsu Agricultural Sciences,2017,45(20):54-58.
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基于分子动力学模拟研究定点突变对
葡聚糖酶热稳定性的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年20期
页码:
54-58
栏目:
生物技术
出版日期:
2017-10-20

文章信息/Info

Title:
Study on influence of site-specific mutagenesis on heat stability of glucanase based on molecular dynamics
作者:
韦阳道123 易弋123 石征宇123 李家杰123 苏家敏123伍时华123 黎娅123
1.广西科技大学生物与化学工程学院,广西柳州 545006; 2.广西科技大学广西糖资源绿色加工重点实验室,广西柳州 545006;
3.广西科技大学广西高校糖资源加工重点实验室,广西柳州 545006
Author(s):
Wei Yangdaoet al
关键词:
分子动力学定点突变葡聚糖酶热稳定性
Keywords:
-
分类号:
S188
DOI:
-
文献标志码:
A
摘要:
为提高葡聚糖酶的热稳定性,对葡聚糖酶的三维结构进行模拟分析,获得2个突变体R226A、G224A,用分子动力学的方法从原子水平上研究突变体与野生型的耐热性。结果显示,突变体R226A、G224A的均方根偏差,回旋半径和静电势能等参数值要低于野生型蛋白,表明突变体的热稳定性较野生型明显上升,更有利于在高温环境下发挥其生物活性。通过计算机模拟分析的方法研究定点突变对野生型酶的热稳定性的影响,可大大节省试验时间,同时可为阐明葡聚糖酶耐热性机制提供理论依据。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-04-25
基金项目:广西自然科学基金(编号:2014GXNSFAA118086、2015GXNSFBA139068)。
作者简介:韦阳道(1989—),男,安徽阜阳人,硕士,研究方向为微生物分子生物学。Tel:(0772)2687033;E-mail:wyangdao@outlook.com。
通信作者:黎娅,硕士,助理研究员,研究方向为微生物学。Tel:(0772)2687033;E-mail:liya0807@163.com。
更新日期/Last Update: 2017-10-20