History
Please read more about PDB versioning on our help page.
| Version | Date | Type | |
| 1-0 | 1998-11-18 | Initial release | No files available. |
| 1-1 | 2007-10-16 | Version format compliance | No files available. |
| 1-2 | 2011-07-13 | Version format compliance | No files available. |
| 1-3 | 2017-10-04 | Refinement description | No files available. |
| 1-4 | 2018-06-27 | Data collection, Derived calculations | No files available. |
| 1-5 | 2021-11-03 | Database references, Derived calculations | No files available. |
| 1-6 | 2023-08-09 | Data collection, Refinement description |
