../ pdb_000021zd_xyz-ext-atom_v1-2.xml.gz 26-Jun-2026 15:53 103K pdb_000021zd_xyz-no-atom_v1-2.xml.gz 26-Jun-2026 15:53 25K pdb_000021zd_xyz_v1-2.cif.gz 26-Jun-2026 15:53 185K pdb_000021zd_xyz_v1-2.xml.gz 26-Jun-2026 15:53 245K