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Structure file formats
Reseek supports the following structure file formats, which are recognized by their filename extensions:

PDB Old Protein Data Bank format ( .pdb or .ent )

MMCIF New Protein Data Bank format ( .cif or .mmcif )

Reseek C-alpha format Text with aa+coordinates ( .cal ). This format is convenient for manual editing and manipulating with scripts, e.g. extracting a subset.

Reseek binary compressed C-alpha ( .bca ). This format is the smallest and fastest to load.

Compressed structure files in .gz format are supported, e.g. .pdb.gz . See also STRUCTS .
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