Data Item _pdbx_nmr_exptl_sample_conditions.pH_units
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General 
- Item name
- _pdbx_nmr_exptl_sample_conditions.pH_units
- Category name
- pdbx_nmr_exptl_sample_conditions
- Attribute name
- pH_units
- Required in PDB entries
- no
- Required for PDB deposition
- yes
- Used in current PDB entries
- Yes, in about 1.4 % of entries
Item Description
Units for the value of the sample condition pH.
Additional Descriptive Information for Depositors
Units of the sample condition pH.
Item Example
pH
Data Type 
- Data type code
- line
- Data type detail
- char item types / multi-word items ...
- Primitive data type code
- char
- Regular expression
- [][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| Not defined | |
| pD | |
| pH | |
| pH* |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| Not defined | |
| pD | |
| pH | |
| pH* |