Data Item _pdbx_refine_tls.origin_y
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General 
- Item name
- _pdbx_refine_tls.origin_y
- Category name
- pdbx_refine_tls
- Attribute name
- origin_y
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 28.6 % of entries
Item Description
The y coordinate in angstroms of the origin to which the
TLS parameters are referred, specified according to
a set of orthogonal Cartesian axes related to the cell axes as
given in _atom_sites.Cartn_transform_axes.
If the origin is omitted, it is assumed to be the centre of
reaction of the group, in which case S must be symmetric
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
Dependent Items 
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _ccp4_refine_tls.origin_y | cif_rcsb.dic | 1.1 |
| _ccp4_refine_tls.origin_y | cif_ccp4.dic | 1.0 |