Data Item _entity.type

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General

Item name: _entity.type
Category name: entity
Attribute name: type
Required in PDB entries
Used in current PDB entries: Yes, in about 100.0 % of entries

Item Description

Defines the type of the entity. Polymer entities are expected to have corresponding ENTITY_POLY and associated entries. Non-polymer entities are expected to have corresponding CHEM_COMP and associated entries. Water entities are not expected to have corresponding entries in the ENTITY category.

Additional Descriptive Information for Depositors

 
Defines the type of the compound which was localized in the crystal.

There are three types of compounds: 

1) Polymer compounds: Proteins, nucleic acids and polysaccharides.

2) Non-polymer: Co-crystallized drugs, inhibitors, solvent particles,
crystallization salts, precipitants, etc. 

3) Water ... and only water.