General ![](/assets/images/glyphicons-dot-com/png/glyphicons_195_circle_info.png)
- Item name
- _ihm_localization_density_files.id
- Category name
- ihm_localization_density_files
- Attribute name
- id
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description ![](/assets/images/glyphicons-dot-com/png/glyphicons_195_circle_info.png)
Data Type ![](/assets/images/misc/regex-35.png)
- Data type code
- int
- Data type detail
- int item types are the subset of numbers that are the negative
or positive integers.
- Primitive data type code
- numb
- Regular expression
- [+-]?[0-9]+