Data Item _datum.type
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General 
- Item name
- _datum.type
- Category name
- datum
- Attribute name
- type
- Required in PDB entries
- yes
- Used in currrent PDB entries
- No
Item Description
A type of quantitative data found in the entry.
Item Example
1H chemical shifts
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 |
|---|---|
| 10B chemical shifts | |
| 111Cd chemical shifts | |
| 113Cd chemical shifts | |
| 11B chemical shifts | |
| 129Xe chemical shifts | |
| 13C chemical shifts | |
| 15N chemical shifts | |
| 17O chemical shifts | |
| 195Pt chemical shifts | |
| 19F chemical shifts | |
| 1H chemical shifts | |
| 23Na chemical shifts | |
| 29Si chemical shifts | |
| 2H chemical shifts | |
| 31P chemical shifts | |
| 35Cl chemical shifts | |
| 3H chemical shifts | |
| 6Li chemical shifts | |
| D/H fractionation factors | |
| H exchange protection factors | |
| H exchange rates | |
| T1 relaxation values | |
| T1rho relaxation values | |
| T2 relaxation values | |
| ambiguous distance constraints | |
| binding constants | |
| bond orientation values | |
| chemical rates | |
| chemical shift anisotropy tensor values | |
| chemical shift anisotropy values | |
| chemical shift constraints | |
| chemical shift isotope effects | |
| chemical shift tensors | |
| coupling constants | |
| cross correlation relaxation values | |
| deduced hydrogen bonds | |
| deduced secondary structure values | |
| dipolar coupling tensor values | |
| dipolar coupling values | |
| dipole-dipole relaxation values | |
| distance constraints | |
| heteronuclear NOE values | |
| homonuclear NOE values | |
| hydrogen bond distance constraints | |
| molecule interaction chemical shift values | |
| order parameters | |
| pH NMR parameter values | |
| pKa values | |
| quadrupolar couplings | |
| residual dipolar couplings | |
| spectral density values | |
| symmetry constraints | |
| theoretical chemical shifts | |
| torsion angle constraints |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| 10B chemical shifts | |
| 111Cd chemical shifts | |
| 113Cd chemical shifts | |
| 11B chemical shifts | |
| 129Xe chemical shifts | |
| 13C chemical shifts | |
| 15N chemical shifts | |
| 17O chemical shifts | |
| 195Pt chemical shifts | |
| 19F chemical shifts | |
| 1H chemical shifts | |
| 23Na chemical shifts | |
| 29Si chemical shifts | |
| 2H chemical shifts | |
| 31P chemical shifts | |
| 35Cl chemical shifts | |
| 3H chemical shifts | |
| 6Li chemical shifts | |
| D/H fractionation factors | |
| H exchange protection factors | |
| H exchange rates | |
| T1 relaxation values | |
| T1rho relaxation values | |
| T2 relaxation values | |
| ambiguous distance constraints | |
| binding constants | |
| bond orientation values | |
| chemical rates | |
| chemical shift anisotropy tensor values | |
| chemical shift anisotropy values | |
| chemical shift constraints | |
| chemical shift isotope effects | |
| chemical shift tensors | |
| coupling constants | |
| cross correlation relaxation values | |
| deduced hydrogen bonds | |
| deduced secondary structure values | |
| dipolar coupling tensor values | |
| dipolar coupling values | |
| dipole-dipole relaxation values | |
| distance constraints | |
| heteronuclear NOE values | |
| homonuclear NOE values | |
| hydrogen bond distance constraints | |
| molecule interaction chemical shift values | |
| order parameters | |
| pH NMR parameter values | |
| pKa values | |
| quadrupolar couplings | |
| residual dipolar couplings | |
| spectral density values | |
| symmetry constraints | |
| theoretical chemical shifts | |
| torsion angle constraints |