../ pdb_000021ld_xyz-ext-atom_v1-0.xml.gz 30-Oct-2026 17:09 54K pdb_000021ld_xyz-no-atom_v1-0.xml.gz 30-Oct-2026 17:09 18K pdb_000021ld_xyz_v1-0.cif.gz 30-Oct-2026 17:09 111K pdb_000021ld_xyz_v1-0.xml.gz 30-Oct-2026 17:09 137K