../ pdb_00001b4y_xyz-ext-atom_v1-4.xml.gz 22-Dec-2023 16:53 208K pdb_00001b4y_xyz-no-atom_v1-4.xml.gz 22-Dec-2023 16:53 23K pdb_00001b4y_xyz_v1-4.cif.gz 22-Dec-2023 16:53 225K pdb_00001b4y_xyz_v1-4.xml.gz 22-Dec-2023 16:53 300K