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makeudb_ublast command
The makeudb_ublast command creates a UDB database file from sequences in a FASTA file. Index parameters are set to defaults for ublast. These defaults can be overridden by specifying index parameters on the command line.


usearch -makeudb_ublast db.fasta -output db.udb

usearch -makeudb_ublast db.fasta -output db.udb -alpha aa -pattern 1011