Data Item _pdbx_validate_symm_contact.PDB_ins_code_2
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General 
- Item name
- _pdbx_validate_symm_contact.PDB_ins_code_2
- Category name
- pdbx_validate_symm_contact
- Attribute name
- PDB_ins_code_2
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.04 % of entries
Item Description
Optional identifier of the second of the two atom sites that
define the close contact.
Data Type 
- Data type code
- code
- Data type detail
- code item types/single words ...
- Primitive data type code
- char
- Regular expression
- [][_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
