/usr/ is in med-bio 3.0.1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/med-bio/
/usr/bin/
/usr/share/
/usr/share/blends/
/usr/share/blends/med/
/usr/share/blends/med/menu/
/usr/share/blends/med/menu/blast2
/usr/share/blends/med/menu/ncbi-tools-bin
/usr/share/blends/med/menu/ncbi-tools-x11
/usr/share/blends/tasks/
/usr/share/blends/tasks/med/
/usr/share/blends/tasks/med/bio
/usr/share/doc/med-bio/README.Debian
/usr/share/doc/med-bio/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/bin/med-bio
/usr/share/doc/med-bio/README
/usr/share/doc/med-bio/changelog.gz
/usr/share/man/man1/med-bio.1.gz