PDBx/mmCIF
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Data Category database_2

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General

Category name
database_2
Required in PDB entries
no
Category group membership
database_group
Used in current PDB entries
Yes, in about 100.0 % of entries

Category Relationship Diagrams

70
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70
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Category Description 

               Data items in the DATABASE_2 category record details about the
               database identifiers of the data block.

               These data items are assigned by database managers and should
               only appear in a data block if they originate from that source.

               The name of this category, DATABASE_2, arose because the
               category name DATABASE was already in use in the core CIF
               dictionary, but was used differently from the way it needed
               to be used in the mmCIF dictionary. Since CIF data names
               cannot be changed once they have been adopted, a new category
               had to be created.

Category Example

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    _database_2.database_id                'PDB'
    _database_2.database_code              '5HVP'

Key Data Items

Category Data Items

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