Data Item _pdbx_modification_feature.biological_function
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General 
- Item name
- _pdbx_modification_feature.biological_function
- Category name
- pdbx_modification_feature
- Attribute name
- biological_function
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
A flag to indicate if the protein modification at this site can
occur naturally and that it is expected to have a biological
function.
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 | Protein modification does not have a biological function |
| Y | Protein modification has a biological function |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| N | Protein modification does not have a biological function |
| Y | Protein modification has a biological function |