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mmCIF Keyword

Search for the mmCIF item _struct_keywords.pdbx_keywords.

Choose the desired option from the pull down menu ("Contains", "Equals", etc.) and enter the search term in the text box. In most cases, the default "Contains" will be the most useful option (if you choose "Equals" the search term must exactly match the text in _struct_keywords.pdbx_keywords).


  1. Select Contains from the pull down menu and type Unknown Function in the text box. Press "Submit Query".
    The Query Result Browser page will show all structures that contain Unknown Function in the token _struct_keywords.pdbx_keywords.