History
Please read more about PDB versioning on our help page.
| Version | Date | Type | |
| 1-0 | 1994-08-31 | Initial release | No files available. |
| 1-1 | 2008-03-03 | Version format compliance | No files available. |
| 1-2 | 2011-07-13 | Non-polymer description, Version format compliance |
