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The sequence_db class: using sequence databases

The sequence_db class holds a database of sequences. Such a database is similar to a multiple sequence alignment, but contains less auxiliary information (for example, no sequence may contain gaps). This requires less memory than a true alignment, and is thus more suited for large databases of sequences. Such a database can be scanned for matches to an input sequence with sequence_db.search(), used to build sequence profiles with profile.build() or filtered by given criteria with sequence_db.filter().



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