/usr/ is in med-bio-dev 2.1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/blends/
/usr/share/blends/med/
/usr/share/blends/med/menu/
/usr/share/blends/med/menu/libncbi6-dev
/usr/share/blends/tasks/
/usr/share/blends/tasks/med/
/usr/share/blends/tasks/med/bio-dev
/usr/share/doc/
/usr/share/doc/med-bio-dev/
/usr/share/doc/med-bio-dev/README.Debian
/usr/share/doc/med-bio-dev/copyright
/usr/share/doc/med-bio-dev/bioperl.txt
/usr/share/man/
/usr/share/man/man1/
/usr/bin/
/usr/share/doc/med-bio-dev/README
/usr/share/doc/med-bio-dev/changelog.gz
/usr/share/man/man1/med-bio-dev.1.gz
/usr/bin/med-bio-dev