Data Category pdbx_investigation_nonpoly_descript
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General 
- Category name
- pdbx_investigation_nonpoly_descript
- Required in PDB entries
- no
- Category group membership
- investigation_group
- Used in current PDB entries
- No
Category Relationship Diagrams 
View full category relationship diagram including all dictionary data categories
Category Description
The PDBX_INVESTIGATION_NONPOLY_DESCRIPT category describes the chemical components in the protein sample or crystallization conditions.
It provides a mechanism to assign distinct combinations of small molecules (n=>1) a unique singular identifier. For example if there are
two crystal condition, id 1 corresponse to one buffer, precipitant, additive combination, whereas id 2 is a different combination.
The small molecules in the comnbination will be referred to via their entity_id as defined in the PDBX_INVESTIGATION_ENTITY_NONPOLY category.
Category Example
loop_ _pdbx_investigation_nonpoly_descript.id _pdbx_investigation_nonpoly_descript.nonpoly_entity_id 1 1 1 4 1 5 1 6 1 7 2 2 2 4 2 5 2 6 2 7 3 2 3 3 3 4 3 5 3 6 3 7 4 1 4 3 4 4 4 5 4 6 4 7 #
