Data Item _pdbx_validate_close_contact.auth_comp_id_2
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General 
- Item name
- _pdbx_validate_close_contact.auth_comp_id_2
- Category name
- pdbx_validate_close_contact
- Attribute name
- auth_comp_id_2
- Required in PDB entries
- yes
- Used in current PDB entries
- Yes, in about 39.4 % of entries
Item Description
Part of the identifier of the second of the two atom sites
that define the close contact.
This data item is a pointer to _atom_site.auth_comp_id in the
ATOM_SITE category.
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*|+-]*
