General  
 
- Item name
- _em_map.cell_length_c
- Category name
- em_map
- Attribute name
- cell_length_c
- Required in PDB entries
- yes
- Used in current PDB entries
- No
 
 
 
 
Item Description  
 
 
 
Data Type  
 
- Data type code
- float
- Data type detail
-               int item types are the subset of numbers that are the floating
               numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?