../ pdb_00001b4u_xyz-ext-atom_v1-3.xml.gz 02-Feb-2024 17:50 153K pdb_00001b4u_xyz-no-atom_v1-3.xml.gz 02-Feb-2024 17:50 40K pdb_00001b4u_xyz_v1-3.cif.gz 02-Feb-2024 17:50 177K pdb_00001b4u_xyz_v1-3.xml.gz 02-Feb-2024 17:50 246K