nr est est_human est_mouse est_others gss htgs pat yeast mito vector ecoli pdb Drosophila Genome month alu_repeats dbsts chromosome wgs refseq_rna refseq_genomic refseq_representative_genomes env_nt Human G+T Mouse G+T nr swissprot pat yeast ecoli pdb Drosophila Genome month refseq env_nr blastn blastp blastx tblastn tblastx