../ pdb_00004erf_xyz-ext-atom_v1-2.xml.gz 23-Feb-2024 17:50 55K pdb_00004erf_xyz-no-atom_v1-2.xml.gz 23-Feb-2024 17:50 23K pdb_00004erf_xyz_v1-2.cif.gz 23-Feb-2024 17:50 72K pdb_00004erf_xyz_v1-2.xml.gz 23-Feb-2024 17:50 97K