../ pdb_00002a1s_xyz-ext-atom_v1-4.xml.gz 01-Nov-2024 21:32 291K pdb_00002a1s_xyz-no-atom_v1-4.xml.gz 01-Nov-2024 21:32 56K pdb_00002a1s_xyz_v1-4.cif.gz 01-Nov-2024 21:32 322K pdb_00002a1s_xyz_v1-4.xml.gz 01-Nov-2024 21:32 444K