NAME
BlastN - Run blast and find the top hit
SYNOPSIS
use Bio::MLST::Blast::BlastN;
my $blast_database= Bio::MLST::Blast::BlastN->new( blast_database => 'output_contigs', query_file => 'alleles/adk.tfa', word_size => 500, exec => 'blastn' );
$blast_database->top_hit();