History
Please read more about PDB versioning on our help page.
| Version | Date | Type | |
| 1-0 | 2007-10-09 | Initial release | No files available. |
| 1-1 | 2011-07-13 | Version format compliance | No files available. |
| 1-2 | 2012-12-05 | Database references | No files available. |
| 1-3 | 2017-10-11 | Refinement description | No files available. |
| 1-4 | 2024-03-13 | Data collection, Database references, Derived calculations |
