../ pdb_00001s1y_xyz-ext-atom_v1-4.xml.gz 22-Oct-2021 20:50 30K pdb_00001s1y_xyz-no-atom_v1-4.xml.gz 22-Oct-2021 20:50 13K pdb_00001s1y_xyz_v1-4.cif.gz 22-Oct-2021 20:50 41K pdb_00001s1y_xyz_v1-4.xml.gz 22-Oct-2021 20:50 54K