../ pdb_00002y21_xyz-ext-atom_v1-3.xml.gz 03-May-2024 16:57 113K pdb_00002y21_xyz-no-atom_v1-3.xml.gz 03-May-2024 16:57 27K pdb_00002y21_xyz_v1-3.cif.gz 03-May-2024 16:57 257K pdb_00002y21_xyz_v1-3.xml.gz 03-May-2024 16:57 353K