Data Item _refine.B_iso_mean
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General 
- Item name
- _refine.B_iso_mean
- Category name
- refine
- Attribute name
- B_iso_mean
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 64.9 % of entries
Item Description
The mean isotropic displacement parameter (B value)
for the coordinate set.
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_squared