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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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蛋白质序列在频率域上的一种特征提取方法
DOI: 10.3969/j.issn.1671-7627.2013.06.023, PP. 113-119
Keywords: 氨基酸序列,互相关,自相关,特征提取,向量序列傅里叶变换,信噪比
Abstract:
针对不同蛋白质选取不同的氨基酸指数进行蛋白质研究,提取氨基酸序列的位置和排列信息在频率上的特征频谱作为特征向量,通过计算特征向量的距离考察蛋白质的相似性。这是一种非比对相似性的判别方法。蛋白质组的聚类结果表明,蛋白质序列在频率域上的特征提取方法具有一定的应用价值和生物学意义。
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