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Too many similar BLAST hits


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I'm running a search on BLAST (NCBI) using a protein sequence from Streptococcus sp.

Most of the hits I get are from the same genus and even species (more than 50 out of 100 total).

Is there a way to obtain hits that represent a wider range of organisms. In other words,

it is possible to filter BLAST results in order to show up only one sequence per species?

 

All the best,

Gianluca

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AFAIK it is not possible to filter for a single hit per species. What you can do is to limit your search to a certain groups of species, depending on what you want to see. Alternatively, save the complete output as table and filter it.

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