Data Item _phasing_set.cell_length_a
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General 
- Item name
- _phasing_set.cell_length_a
- Category name
- phasing_set
- Attribute name
- cell_length_a
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.001 % of entries
Item Description
Unit-cell length a for this data set in angstroms.
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
- angstroms
Allowed Boundary Conditions
| Minimum Value | Maximum Value |
|---|---|
| 0.0 | +∞ |
Dependent Items 
Subcategories
| Subcategory Name | Subcategory Description |
|---|---|
| cell_length | The collection of a, b, and c axis lengths of a unit cell. |