General 
- Item name
- _struct_biol_view.ndb_vector[2]
- Category name
- struct_biol_view
- Attribute name
- ndb_vector[2]
- Required in PDB entries
- no
- 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]+)?
- Default value
- 0.0