| File format | File name (file size) | 
| PDBx/mmCIF | 2n2k.cif.gz Display(2.70 MB) 2n2k.cif
 | 
| PDBx/mmJSON | all | 2n2k.json.gz Display (Tree)(1.41 MB) 2n2k.json
 | 
| no-atom | 2n2k-noatom.json.gz Display (Header)(112.84 KB) 2n2k-noatom.json
 | 
| add only | 2n2k-plus.json.gz Display(1.46 KB) 2n2k-plus.json
 | 
| PDBML | all | 2n2k.xml.gz  (3.90 MB) 2n2k.xml
 | 
| no-atom | 2n2k-noatom.xml.gz Display(481.87 KB) 2n2k-noatom.xml
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| ext-atom | 2n2k-extatom.xml.gz  (2.62 MB) 2n2k-extatom.xml
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| pdb_nextgen | all | pdb_00002n2k_xyz-enrich.cif.gz Display(2.84 MB) pdb_00002n2k_xyz-enrich.cif
 | 
| no-atom | pdb_00002n2k_xyz-no-atom-enrich.xml.gz Display(486.27 KB) pdb_00002n2k_xyz-no-atom-enrich.xml
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| ng-only | 2n2k-plus.json.gz Display(1.24 KB) 2n2k-plus.json
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| PDB | pdb2n2k.ent.gz Display(2.32 MB) pdb2n2k.ent
 | 
| RDF | 2n2k.rdf.gz Visualize(1.20 MB) 2n2k.rdf
 | 
| NMR Restraints | 2n2k.mr.gz Display(488.14 KB) 2n2k.mr
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| NMR Chemical Shift | 2n2k_cs.str.gz Display(4.77 KB) 2n2k_cs.str
 | 
| Biological unit (mmCIF format) | 2n2k-assembly1.cif.gz Display(41.97 KB) 2n2k-assembly1.cif  (A,B)
 *author defined assembly, 2 molecule(s) (dimeric) | 
| Biological unit (PDB format) | 2n2k.pdb1.gz Display(35.46 KB) 2n2k.pdb1  (A,B)
 *author defined assembly, 2 molecule(s) (dimeric) | 
| Validation reports | PDF | 2n2k_validation.pdf.gz Display(658.41 KB) 2n2k_validation.pdf
 | 
| PDF-full | 2n2k_full_validation.pdf.gz Display(949.22 KB) 2n2k_full_validation.pdf
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| mmCIF | 2n2k_validation.cif.gz Display(397.40 KB) 2n2k_validation.cif
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| XML | 2n2k_validation.xml.gz Display(243.65 KB) 2n2k_validation.xml
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| PNG | 2n2k_multipercentile_validation.png.gz Display(127.25 KB) 2n2k_multipercentile_validation.png
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| SVG | 2n2k_multipercentile_validation.svg.gz Display(811.00 B) 2n2k_multipercentile_validation.svg
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