(二)各种生物数据库 1、核苷酸数据库 ◆DNA、mRNA、tRNA、rRNA序列 RNA序列以CDNA序列的形式存在 核苷酸序列直接来源于实验数据 大量基酸序列 主要是非实验来源数据 o coding sequence(CDs)
（二）各种生物数据库 1、核苷酸数据库 DNA 、mRNA 、tRNA 、rRNA序列 RNA序列以cDNA序列的形式存在 核苷酸序列直接来源于实验数据 大量氨基酸序列 主要是非实验来源数据 coding sequence (CDS)
数据库种类很多 ◆三大核苷酸数据库 ☆ Gen bank、EMBL核苷酸、DDBJ 令信息资源共享:以天为基础进行数据库之间的 序列数据交换 令收集了专利的核苷酸序列 v United States Patent and Trademark office (USPTO) Y European Patent Office(EPO) Y Japan Patent Office (JPO)
数据库种类很多 GenBank、EMBL核苷酸、DDBJ 信息资源共享：以天为基础进行数据库之间的 序列数据交换 收集了专利的核苷酸序列 9 United States Patent and Trademark Office (USPTO) 9 European Patent Office (EPO) 9 Japan Patent Office (JPO) 三大核苷酸数据库
There are three major public dna databases EMBL Gen Bank DDBJ Housed Housed Housed at ebl at NcBi in Japan European National Bioinformatics Center for Institute Biotechnology Information
EMBL GenBank DDBJ Housed at EBI European Bioinformatics Institute There are three major public DNA databases Housed at NCBI National Center for Biotechnology Information Housed in Japan
>100,000 species are represented in Gen Bank all species 128,941 Viruses 6,137 bacteria 31262 archaea 2,100 eukaryota 87,147
>100,000 species are represented in GenBank all species 128,941 viruses 6,137 bacteria 31,262 archaea 2,100 eukaryota 87,147
The most sequenced organisms in Gen Bank Homo sapiens 10.7 billion bases Mus musculus 65b Rattus norvegicus 56b Danio rerio 1.7b Zea mays 14b Oryza sativa 0.8b Drosophila melanogaster 0.7b Ga∥ us gallus 0.5b Arabidopsis thaliana 0.5b Updated 8-12-04 Gen Bank release 142.0
The most sequenced organisms in GenBank Homo sapiens 10.7 billion bases Mus musculus 6.5b Rattus norvegicus 5.6b Danio rerio 1.7b Zea mays 1.4b Oryza sativa 0.8b Drosophila melanogaster 0.7b Gallus gallus 0.5b Arabidopsis thaliana 0.5b Updated 8-12-04 GenBank release 142.0