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Tracembler: software for in silico chromosome walks in unassembled genomes

Tracembler allows you to do chromosome walks of trace sequences directly from NCBI's Trace Archive. This enables you to find your genes of interest in the most recent, pre-assembled sequence data. To use, please follow the steps below or . For further information, please see the help page or the examples page.

Step 1: Type your email here:

Step 2: Paste your query sequences here (DNA or protein, in FASTA format) :

or upload your query from

Step 3: Select initial BLAST E-value to start walk:

Step 4: Select a target species to search: