../ pdb_00004s2a_xyz-ext-atom_v1-2.xml.gz 07-Aug-2026 19:50 101K pdb_00004s2a_xyz-no-atom_v1-2.xml.gz 07-Aug-2026 19:50 35K pdb_00004s2a_xyz_v1-2.cif.gz 07-Aug-2026 19:50 126K pdb_00004s2a_xyz_v1-2.xml.gz 07-Aug-2026 19:50 172K