Saves information from a blast header.

Members: application The name of the BLAST flavor that generated this data. version Version of blast used. date Date this data was generated. reference Reference for blast.

query Name of query sequence. query_letters Number of letters in the query sequence. (int)

database Name of the database. database_sequences Number of sequences in the database. (int) database_letters Number of letters in the database. (int)

__init__ ( self )