../ pdb_00001sr2_xyz-ext-atom_v1-4.xml.gz 17-May-2024 16:03 836K pdb_00001sr2_xyz-no-atom_v1-4.xml.gz 17-May-2024 16:03 18K pdb_00001sr2_xyz_v1-4.cif.gz 17-May-2024 16:03 872K pdb_00001sr2_xyz_v1-4.xml.gz 17-May-2024 16:03 1M