../ pdb_00004b20_xyz-ext-atom_v1-2.xml.gz 05-Dec-2025 16:22 97K pdb_00004b20_xyz-no-atom_v1-2.xml.gz 05-Dec-2025 16:22 31K pdb_00004b20_xyz_v1-2.cif.gz 05-Dec-2025 16:22 119K pdb_00004b20_xyz_v1-2.xml.gz 05-Dec-2025 16:22 159K