生物数据应用环境 Biological DataBase Environment
blastn
Standard Nucleotide BLAST
BLASTN programs search nucleotide databases using a nucleotide query. more...
Enter Query Sequence
Enter accession number(s), gi(s), or FASTA sequence(s) 示例1 示例2 示例3
clear
Query subrange
From
To
Or, upload file
Job Title
Choose Search Set
Database
Standard databases (nr etc.)
rRNA/ITS databases
Betacoronavirus
Specialized databases
Program Selection
Optimize for
Highly similar sequences (megablast) More dissimilar sequences (discontiguous megablast) Somewhat similar sequences (blastn)
Choose a BLAST algorithm
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Algorithm parameters
Restore default search parameters
General Parameters
Max target sequences
Select the maximum number of aligned sequences to display
Expect threshold
Word size
Scoring Parameters
Match/Mismatch Scores
Gap Costs
Filters and Masking
Filter
Low complexity regions filter
Discontiguous Word Options
Template length
Template type
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blast