Data Item _atom_site.Cartn_x
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General 
- Item name
- _atom_site.Cartn_x
- Category name
- atom_site
- Attribute name
- Cartn_x
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 100.0 % of entries
Item Description
The x atom-site coordinate in angstroms specified according to
a set of orthogonal Cartesian axes related to the cell axes as
specified by the description given in
_atom_sites.Cartn_transform_axes.
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
Related Items 
| Related Item Name | Relation Type |
|---|---|
| _atom_site.Cartn_x_esd | associated_esd |
Dependent Items
Subcategories
| Subcategory Name | Subcategory Description |
|---|---|
| cartesian_coordinate | The collection of x, y, and z components of a position specified with reference to a Cartesian (orthogonal angstrom) coordinate system. |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _atom_site_Cartn_x | cif_core.dic | 2.0.1 |