../ pdb_000021gr_xyz-ext-atom_v1-0.xml.gz 28-Aug-2026 18:08 212K pdb_000021gr_xyz-no-atom_v1-0.xml.gz 28-Aug-2026 18:08 49K pdb_000021gr_xyz_v1-0.cif.gz 28-Aug-2026 18:08 251K pdb_000021gr_xyz_v1-0.xml.gz 28-Aug-2026 18:08 345K