Data Item _entity.type
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General 
- Item name
- _entity.type
- Category name
- entity
- Attribute name
- type
- Required in PDB entries
- no
- 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.
Data Type 
- Data type code
- ucode
- Data type detail
- code item types/single words (case insensitive) ...
- Primitive data type code
- uchar
- Regular expression
- [][_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| branched | entity is branched |
| macrolide | entity is a macrolide |
| non-polymer | entity is not a polymer |
| polymer | entity is a polymer |
| water | water in the solvent model |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| branched | |
| macrolide | |
| non-polymer | |
| polymer | |
| water |