../ pdb_000021kb_xyz-ext-atom_v1-0.xml.gz 06-Feb-2026 18:47 301K pdb_000021kb_xyz-no-atom_v1-0.xml.gz 06-Feb-2026 18:47 65K pdb_000021kb_xyz_v1-0.cif.gz 06-Feb-2026 18:47 342K pdb_000021kb_xyz_v1-0.xml.gz 06-Feb-2026 18:47 469K