../ pdb_00004z4b_xyz-ext-atom_v1-2.xml.gz 27-Feb-2026 17:22 20K pdb_00004z4b_xyz-no-atom_v1-2.xml.gz 27-Feb-2026 17:22 16K pdb_00004z4b_xyz_v1-2.cif.gz 27-Feb-2026 17:22 34K pdb_00004z4b_xyz_v1-2.xml.gz 27-Feb-2026 17:22 42K