loop_
       _pdbx_data_usage.id
       _pdbx_data_usage.type
       _pdbx_data_usage.details
       _pdbx_data_usage.url
       _pdbx_data_usage.name
       1 license "Data in this file are subject to CC0 creative commons license"
       https://creativecommons.org/share-your-work/public-domain/cc0 CC0
       2 disclaimer
       ; You have the right to use this file provided that the license
       remains intact
       ;
       ? ?