Data Item _ndb_struct_sugar_step_parameters.nu_2_1
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General 
- Item name
- _ndb_struct_sugar_step_parameters.nu_2_1
- Category name
- ndb_struct_sugar_step_parameters
- Attribute name
- nu_2_1
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
The nu_2_1 parameter. Torsion defined by C4'-O4'-C1'-C2' atoms of residue 2.
Data Type 
- Data type code
- float
- Data type detail
- float 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]+)?