History
Please read more about PDB versioning on our help page.
| Version | Date | Type | |
| 1-0 | 2009-09-29 | Initial release | No files available. |
| 1-1 | 2011-07-13 | Advisory, Version format compliance | No files available. |
| 1-2 | 2017-11-01 | Advisory, Refinement description | No files available. |
| 1-3 | 2022-04-13 | Advisory, Database references, Derived calculations, Structure summary | No files available. |
| 1-4 | 2023-09-06 | Data collection, Refinement description |
