Number of WNV protein sequences retrieved from NCBI and their maximum percentage amino-acid difference.

aRetrieved from NCBI Entrez Protein Database on 28th June 2007.bApproximate size indicated in number of amino acids.cMaximum percentage amino-acid difference for each WNV protein, computed using ClustalW [23].a. 本数据集于2007年6月28日从NCBI Entrez蛋白质数据库（NCBI Entrez Protein Database）检索获取。 b. 近似分子大小以氨基酸残基数目标注。 c. 每种西尼罗河病毒（West Nile Virus, WNV）蛋白质的最大氨基酸差异百分比，通过ClustalW [23] 计算得到。