../ pdb_000021fb_xyz-ext-atom_v1-0.xml.gz 30-Jan-2026 16:29 68K pdb_000021fb_xyz-no-atom_v1-0.xml.gz 30-Jan-2026 16:29 19K pdb_000021fb_xyz_v1-0.cif.gz 30-Jan-2026 16:29 78K pdb_000021fb_xyz_v1-0.xml.gz 30-Jan-2026 16:29 111K