Data Item _pdbx_validate_torsion.phi
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General 
- Item name
- _pdbx_validate_torsion.phi
- Category name
- pdbx_validate_torsion
- Attribute name
- phi
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 92.4 % of entries
Item Description
The Phi value that for the residue that lies outside normal limits
(in combination with the Psi value) with regards to the rammachandran plot
Additional Descriptive Information for Depositors
The Phi value that for the residue that lies outside normal limits
(in combination with the Psi value) with regards to the rammachandran plot
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]+)?
- Units
- degrees
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| -180.0 | 180.0 |