Data Item _pdbx_refine_tls.S[1][2]
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General 
- Item name
- _pdbx_refine_tls.S[1][2]
- Category name
- pdbx_refine_tls
- Attribute name
- S[1][2]
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 28.6 % of entries
Item Description
The [1][2] element of the screw-rotation tensor S. This should
be given in the same coordinate frame as the
corresponding anisotropic displacement parameters.
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_degrees
Related Items 
| Related Item Name | Relation Type |
|---|---|
| _pdbx_refine_tls.S[1][2]_esd | associated_esd |
Subcategories
| Subcategory Name | Subcategory Description |
|---|---|
| matrix | The collection of elements of a matrix. |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _ccp4_refine_tls.S[1][2] | cif_rcsb.dic | 1.1 |
| _ccp4_refine_tls.S[1][2] | cif_ccp4.dic | 1.0 |