General 
- Item name
- _em_3d_reconstruction.software
- Category name
- em_3d_reconstruction
- Attribute name
- software
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description 
Data Type 
- Data type code
- text
- Data type detail
- text item types / multi-line text ...
- Primitive data type code
- char
- Regular expression
- [][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*