History
Please read more about PDB versioning on our help page.
| Version | Date | Type | |
| 1-0 | 2011-11-09 | Initial release | No files available. |
| 1-1 | 2012-01-11 | Database references | No files available. |
| 1-2 | 2012-10-17 | Database references | No files available. |
| 1-3 | 2019-07-17 | Data collection, Refinement description | No files available. |
| 1-4 | 2023-09-13 | Data collection, Database references, Derived calculations, Refinement description |
