/usr/share/avogadro/builder/ is in avogadro-data 1.0.3-1ubuntu4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/avogadro/builder/amino/
/usr/share/avogadro/builder/amino/d-ala.zmat
/usr/share/avogadro/builder/amino/d-arg.zmat
/usr/share/avogadro/builder/amino/d-asn.zmat
/usr/share/avogadro/builder/amino/d-asp.zmat
/usr/share/avogadro/builder/amino/d-cys.zmat
/usr/share/avogadro/builder/amino/d-gln.zmat
/usr/share/avogadro/builder/amino/d-glu.zmat
/usr/share/avogadro/builder/amino/d-his.zmat
/usr/share/avogadro/builder/amino/d-ile.zmat
/usr/share/avogadro/builder/amino/d-leu.zmat
/usr/share/avogadro/builder/amino/d-lys.zmat
/usr/share/avogadro/builder/amino/d-met.zmat
/usr/share/avogadro/builder/amino/d-phe.zmat
/usr/share/avogadro/builder/amino/d-pro.zmat
/usr/share/avogadro/builder/amino/d-ser.zmat
/usr/share/avogadro/builder/amino/d-thr.zmat
/usr/share/avogadro/builder/amino/d-trp.zmat
/usr/share/avogadro/builder/amino/d-tyr.zmat
/usr/share/avogadro/builder/amino/d-val.zmat
/usr/share/avogadro/builder/amino/gly.zmat
/usr/share/avogadro/builder/amino/l-ala.zmat
/usr/share/avogadro/builder/amino/l-arg.zmat
/usr/share/avogadro/builder/amino/l-asn.zmat
/usr/share/avogadro/builder/amino/l-asp.zmat
/usr/share/avogadro/builder/amino/l-cys.zmat
/usr/share/avogadro/builder/amino/l-gln.zmat
/usr/share/avogadro/builder/amino/l-glu.zmat
/usr/share/avogadro/builder/amino/l-his.zmat
/usr/share/avogadro/builder/amino/l-ile.zmat
/usr/share/avogadro/builder/amino/l-leu.zmat
/usr/share/avogadro/builder/amino/l-lys.zmat
/usr/share/avogadro/builder/amino/l-met.zmat
/usr/share/avogadro/builder/amino/l-phe.zmat
/usr/share/avogadro/builder/amino/l-pro.zmat
/usr/share/avogadro/builder/amino/l-pyl.zmat
/usr/share/avogadro/builder/amino/l-sec.zmat
/usr/share/avogadro/builder/amino/l-ser.zmat
/usr/share/avogadro/builder/amino/l-thr.zmat
/usr/share/avogadro/builder/amino/l-trp.zmat
/usr/share/avogadro/builder/amino/l-tyr.zmat
/usr/share/avogadro/builder/amino/l-val.zmat