Twin directories of by:

[DIR]  ftp://ftp.eimb.ru/PDB/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/biounit/coordinates/divided/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/structure_factors/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/XML-extatom/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/XML-noatom/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/XML/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/mmCIF/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/pdb/by/
[DIR]  ftp://ftp.obs-nice.fr/pub/ponty/ADG/Mhd-Archont-128-nu0.001-eta0.001/b_data/by/
[DIR]  ftp://130.225.254.99/getdeb/by/
[DIR]  ftp://ftp13.freebsd.org/pub/www.getdeb.net/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/obsolete/structure_factors/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/divided/nmr_restraints/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/obsolete/XML/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/obsolete/mmCIF/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb-remediated/data/structures/obsolete/pdb/by/
[DIR]  ftp://files.akl.lt/Linux/Ubuntu/getdeb/by/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/compressed2/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/XML-extatom/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/XML-noatom/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/XML/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/mmCIF/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/pdb/by/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/uncompressed/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/structure_factors/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/biounit/coordinates/divided/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/XML-extatom/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/XML-noatom/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/XML/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/mmCIF/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/pdb/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/structure_factors/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/divided/nmr_restraints/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/divided/nmr_restraints/by/
[DIR]  ftp://ftp.embl-heidelberg.de/pub/databases/pdb_mirror/current/compressed/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/obsolete/mmCIF/by/
[DIR]  ftp://ftp.ebi.ac.uk/pub/databases/rcsb/pdb/data/structures/obsolete/XML/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/obsolete/XML/by/
[DIR]  ftp://ftp.nsk.su/.3/uncheck/by/
[DIR]  ftp://ftp.nsk.su/.3/Doska_objavleniy/winnt/aux2/com/aux8/TaGGeD/by/
[DIR]  ftp://ftp.nsk.su/.3/Doska_objavleniy/winnt/aux2/com/aux8/zzz_mas123crew_zzz/28/6/6/6/7/6/zzz._._._heRe_._._zzz/UppEd/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/mmCIF/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/nmr_restraints/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/pdb/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/divided/structure_factors/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/obsolete/mmCIF/by/
[DIR]  ftp://ftp.embl-heidelberg.de/ftp.ebi.ac.uk/pub/delete_databases/rcsb/pdb/data/structures/obsolete/pdb/by/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/development/OpenDarwin-CVS/proj/KDE-Darwin/kdebase/l10n/by/
[DIR]  ftp://ftp.rcsb.org/pub/pdb/data/structures/obsolete/mmCIF/by/
[DIR]  ftp://ftp.nsk.su/.3/uncheck/_tmp/tagged/by/