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首页> 外文期刊>In silico biology: An international on computational biology >Analysis of Secondary Structure Predictions of Dengue Virus Type 2 NS2B/NS3 Against Crystal Structure to Evaluate the Predictive Power of the In Silico Methods
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Analysis of Secondary Structure Predictions of Dengue Virus Type 2 NS2B/NS3 Against Crystal Structure to Evaluate the Predictive Power of the In Silico Methods

机译:分析2型登革热病毒NS2B / NS3对晶体结构的二级结构预测,以评估计算机模拟方法的预测能力

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摘要

Multiple sequence alignment was performed against eight proteases from the Flaviviridae family using ClustalW to illustrate conserved domains. Two sets of prediction approaches were applied and the results compared. Firstly, secondary structure prediction was performed using available structure prediction servers. The second approach made use of the information on the secondary structures extracted from structure prediction servers, threading techniques and DSSP database of some of the templates used in the threading techniques. Consensus on the one-dimensional secondary structure of Den2 protease was obtained from each approach and evaluated against data from the recently crystallised Den2 NS2B/NS3 obtained from the Protein Data Bank (PDB). Results indicated the second approach to show higher accuracy compared to the use of prediction servers only. Thus, it is plausible that this approach is applicable to the initial stage of structural studies of proteins with low amino acid sequence homology against other available proteins in the PDB.
机译:使用ClustalW对来自黄病毒科的八种蛋白酶进行了多序列比对,以说明保守结构域。应用了两组预测方法并比较了结果。首先,使用可用的结构预测服务器执行二级结构预测。第二种方法利用了从结构预测服务器,线程技术和线程技术中使用的某些模板的DSSP数据库中提取的二级结构信息。从每种方法获得关于Den2蛋白酶的一维二级结构的共识,并根据从蛋白质数据库(PDB)获得的最近结晶的Den2 NS2B / NS3的数据进行评估。结果表明,与仅使用预测服务器相比,第二种方法显示出更高的准确性。因此,这种方法可能适用于与PDB中具有低氨基酸序列同源性的蛋白质的结构研究的初始阶段。

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