/usr/share/ncbi-blast+/bin/bl2seq
/usr/share/ncbi-blast+/bin/blastall
/usr/share/ncbi-blast+/bin/blastpgp
/usr/share/ncbi-blast+/bin/fastacmd
/usr/share/ncbi-blast+/bin/formatdb
/usr/share/ncbi-blast+/bin/legacy.sh
/usr/share/ncbi-blast+/bin/megablast
/usr/share/ncbi-blast+/bin/rpsblast
/usr/share/ncbi-blast+/bin/seedtop
You may install this package on Debian with
apt-get
install ncbi-blast+-legacy