Skip to main content
GO Enrichment Analysis
Pathway Enrichment Analysis
Select BLAST program
blastn (nucleotide against nucleotide)
blastp (protein against protein)
blastx (nucleotide against protein)
tblastn (protein against nucleotide, translated)
Choose a search set
Choose one of the BLAST databases listed below.
Enter (a) query sequence(s)
Enter one or more queries in the text box or use the browse button to upload a file from your local disk. The file may contain a single sequence or a list of sequences. In both cases, the data must be in
Enter FASTA sequence(s)
Or upload your own query FASTA:
The file should be a plain-text FASTA (.fasta, .fna, .fa) file. In other words, it cannot have formatting as is the case with MS Word (.doc, .docx) or Rich Text Format (.rtf). It cannot be greater than
Don't forget to press the Upload button before attempting to submit your BLAST.
e-Value (Expected Threshold)
Expected number of chance matches in a random model. This number should be give in a decimal format.
Expect value vedio tutorial