Data Item _pdbx_nmr_spectrometer.field_strength
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General 
- Item name
- _pdbx_nmr_spectrometer.field_strength
- Category name
- pdbx_nmr_spectrometer
- Attribute name
- field_strength
- Required in PDB entries
- no
- Required for PDB deposition
- yes
- Used in current PDB entries
- Yes, in about 7.3 % of entries
Item Description
Select the field strength for protons in MHz.
Item Example1
360
Item Example2
400
Item Example3
500
Item Example4
600
Item Example5
750
Item Example6
800
Item Example7
850
Item Example8
900
Item Example9
950
Item Example10
1000
Data Type 
- Data type code
- float
- Data type detail
- float item types are the subset of numbers that are the floating numbers.
- Primitive data type code
- numb
- Regular expression
- -?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?
- Values limited by enumeration list
- no
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| 1000 | |
| 120 | |
| 140 | |
| 200 | |
| 250 | |
| 270 | |
| 300 | |
| 350 | |
| 360 | |
| 400 | |
| 450 | |
| 470 | |
| 500 | |
| 550 | |
| 590 | |
| 600 | |
| 700 | |
| 720 | |
| 750 | |
| 800 | |
| 850 | |
| 90 | |
| 900 | |
| 920 | |
| 950 | |
| na | not available |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _rcsb_nmr_spectrometer.field_strength | cif_rcsb.dic | 1.1 |