Data Item _chem_comp.pdbx_pcm
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General 
- Item name
- _chem_comp.pdbx_pcm
- Category name
- chem_comp
- Attribute name
- pdbx_pcm
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A flag to indicate if the CCD can be used to represent a protein modification.
Item Example
Y
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*|+-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| N | No - Should never be used to represent a protein modification |
| Y | Yes - Can be used to represent a protein modification |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| N | No - Should never be used to represent a protein modification |
| Y | Yes - Can be used to represent a protein modification |