Data Item _axis.vector[3]
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General 
- Item name
- _axis.vector[3]
- Category name
- axis
- Attribute name
- vector[3]
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The [3] element of the three-element vector used to specify
the direction of a rotation or translation axis.
The vector should be normalized to be a unit vector and
is dimensionless.
Data Type 
- Data type code
- float
- Data type detail
- float item types are the subset of numbers that are the floating point numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
- Default value
- 0.0
Subcategories
| Subcategory Name | Subcategory Description |
|---|---|
| vector | The collection of elements of a vector. |