Protein to Nucleotide BLAST (tblastn)

Request a New BLAST

Enter protein Query Sequence

Enter one or more queries in the top text box. It may contain a single sequence or a list of sequences and the data must be in FASTA format.

Show an Example Sequence

Enter FASTA sequence(s)

Enter query sequence(s) in the text area.

Choose Search Target

Choose from one of the protein BLAST databases listed below.

Protein BLAST Databases: