Data Item _pdbx_dcc_map.RSZD
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General 
- Item name
- _pdbx_dcc_map.RSZD
- Category name
- pdbx_dcc_map
- Attribute name
- RSZD
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The real space difference density Z score
(defined as Delta_rho/sigma(Delta_rho)) from Tickle (2012). It is
related to the model accuracy. RSZD>3, significant extra positive
density around the residue; RSZD<-3, significant extra negative
density around the residue.
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]+)?