| File format | File name (file size) | 
| PDBx/mmCIF | 4k4c.cif.gz Display(130.95 KB) 4k4c.cif  | 
| PDBx/mmJSON | all | 4k4c.json.gz Display (Tree)(83.36 KB) 4k4c.json  | 
| no-atom | 4k4c-noatom.json.gz Display (Header)(13.39 KB) 4k4c-noatom.json  | 
| add only | 4k4c-plus.json.gz Display(1.20 KB) 4k4c-plus.json  | 
| PDBML | all | 4k4c.xml.gz Display(180.34 KB) 4k4c.xml  | 
| no-atom | 4k4c-noatom.xml.gz Display(32.70 KB) 4k4c-noatom.xml  | 
| ext-atom | 4k4c-extatom.xml.gz Display(110.30 KB) 4k4c-extatom.xml  | 
| pdb_nextgen | all | pdb_00004k4c_xyz-enrich.cif.gz Display(145.25 KB) pdb_00004k4c_xyz-enrich.cif  | 
| no-atom | pdb_00004k4c_xyz-no-atom-enrich.xml.gz Display(50.57 KB) pdb_00004k4c_xyz-no-atom-enrich.xml  | 
| ng-only | 4k4c-plus.json.gz Display(2.16 KB) 4k4c-plus.json  | 
| PDB | pdb4k4c.ent.gz Display(104.22 KB) pdb4k4c.ent  | 
| RDF | 4k4c.rdf.gz Visualize(92.27 KB) 4k4c.rdf  | 
| Structure factors | r4k4csf.ent.gz Display(309.08 KB) r4k4csf.ent  | 
| Biological unit (mmCIF format) | 4k4c-assembly1.cif.gz Display(63.09 KB) 4k4c-assembly1.cif  (A,D)*author and software defined assembly, 2 molecule(s) (dimeric)  | 
4k4c-assembly2.cif.gz Display(62.35 KB) 4k4c-assembly2.cif  (B,C)*author and software defined assembly, 2 molecule(s) (dimeric)  | 
| Biological unit (PDB format) | 4k4c.pdb1.gz Display(50.62 KB) 4k4c.pdb1  (A,D)*author and software defined assembly, 2 molecule(s) (dimeric)  | 
4k4c.pdb2.gz Display(50.31 KB) 4k4c.pdb2  (B,C)*author and software defined assembly, 2 molecule(s) (dimeric)  | 
| Validation reports | PDF | 4k4c_validation.pdf.gz Display(1.26 MB) 4k4c_validation.pdf  | 
| PDF-full | 4k4c_full_validation.pdf.gz Display(1.29 MB) 4k4c_full_validation.pdf  | 
| mmCIF | 4k4c_validation.cif.gz Display(39.39 KB) 4k4c_validation.cif  | 
| XML | 4k4c_validation.xml.gz Display(29.61 KB) 4k4c_validation.xml  | 
| PNG | 4k4c_multipercentile_validation.png.gz Display(169.19 KB) 4k4c_multipercentile_validation.png  | 
| SVG | 4k4c_multipercentile_validation.svg.gz Display(947.00 B) 4k4c_multipercentile_validation.svg  | 
| EDMap | 2fo-fc (PDBx/mmCIF) | 4k4c_validation_2fo-fc_map_coef.cif.gz Display(445.13 KB) 4k4c_validation_2fo-fc_map_coef.cif  | 
| fo-fc (PDBx/mmCIF) | 4k4c_validation_fo-fc_map_coef.cif.gz Display(420.79 KB) 4k4c_validation_fo-fc_map_coef.cif  | 
| 2fo-fc (MTZ) | 4k4c_validation_2fo-fc_map_coef.mtz Visualize(1.03 MB) | 
| fo-fc (MTZ) | 4k4c_validation_fo-fc_map_coef.mtz Visualize(1.03 MB) |