| File format | File name (file size) | 
| PDBx/mmCIF | 3bck.cif.gz Display(51.01 KB) 3bck.cif
 | 
| PDBx/mmJSON | all | 3bck.json.gz Display (Tree)(35.61 KB) 3bck.json
 | 
| no-atom | 3bck-noatom.json.gz Display (Header)(10.82 KB) 3bck-noatom.json
 | 
| add only | 3bck-plus.json.gz Display(572.00 B) 3bck-plus.json
 | 
| PDBML | all | 3bck.xml.gz Display(66.84 KB) 3bck.xml
 | 
| no-atom | 3bck-noatom.xml.gz Display(20.26 KB) 3bck-noatom.xml
 | 
| ext-atom | 3bck-extatom.xml.gz Display(34.81 KB) 3bck-extatom.xml
 | 
| pdb_nextgen | all | pdb_00003bck_xyz-enrich.cif.gz Display(55.81 KB) pdb_00003bck_xyz-enrich.cif
 | 
| no-atom | pdb_00003bck_xyz-no-atom-enrich.xml.gz Display(25.28 KB) pdb_00003bck_xyz-no-atom-enrich.xml
 | 
| ng-only | 3bck-plus.json.gz Display(1.56 KB) 3bck-plus.json
 | 
| PDB | pdb3bck.ent.gz Display(35.60 KB) pdb3bck.ent
 | 
| RDF | 3bck.rdf.gz Visualize(59.07 KB) 3bck.rdf
 | 
| Structure factors | r3bcksf.ent.gz Display(153.11 KB) r3bcksf.ent
 | 
| Biological unit (mmCIF format) | 3bck-assembly1.cif.gz Display(41.57 KB) 3bck-assembly1.cif  (A)
 *author and software defined assembly, 1 molecule(s) (monomeric) | 
| Biological unit (PDB format) | 3bck.pdb1.gz Display(31.51 KB) 3bck.pdb1  (A)
 *author and software defined assembly, 1 molecule(s) (monomeric) | 
| Validation reports | PDF | 3bck_validation.pdf.gz Display(420.11 KB) 3bck_validation.pdf
 | 
| PDF-full | 3bck_full_validation.pdf.gz Display(421.23 KB) 3bck_full_validation.pdf
 | 
| mmCIF | 3bck_validation.cif.gz Display(13.59 KB) 3bck_validation.cif
 | 
| XML | 3bck_validation.xml.gz Display(9.78 KB) 3bck_validation.xml
 | 
| PNG | 3bck_multipercentile_validation.png.gz Display(166.17 KB) 3bck_multipercentile_validation.png
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| SVG | 3bck_multipercentile_validation.svg.gz Display(926.00 B) 3bck_multipercentile_validation.svg
 | 
| EDMap | 2fo-fc (PDBx/mmCIF) | 3bck_validation_2fo-fc_map_coef.cif.gz Display(195.83 KB) 3bck_validation_2fo-fc_map_coef.cif
 | 
| fo-fc (PDBx/mmCIF) | 3bck_validation_fo-fc_map_coef.cif.gz Display(189.81 KB) 3bck_validation_fo-fc_map_coef.cif
 | 
| 2fo-fc (MTZ) | 3bck_validation_2fo-fc_map_coef.mtz Visualize(469.76 KB) | 
| fo-fc (MTZ) | 3bck_validation_fo-fc_map_coef.mtz Visualize(469.76 KB) |