Data Item _chem_comp.pdbx_initial_date
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General 
- Item name
- _chem_comp.pdbx_initial_date
- Category name
- chem_comp
- Attribute name
- pdbx_initial_date
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 100.0 % of entries
- Used in the Chemical Component dictionary
- Yes
Item Description
Date component was added to database.
Data Type 
- Data type code
- yyyy-mm-dd
- Data type detail
- Standard format for CIF dates.
- Primitive data type code
- char
- Regular expression
- [0-9]?[0-9]?[0-9][0-9]-[0-9]?[0-9]-[0-9][0-9]
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _chem_comp.rcsb_initial_date | cif_rcsb.dic | 1.1 |