Data Item _reflns.pdbx_signal_type
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General 
- Item name
- _reflns.pdbx_signal_type
- Category name
- reflns
- Attribute name
- pdbx_signal_type
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 0.03 % of entries
Item Description
Type of signal used for
_reflns.pdbx_observed_signal_threshold and _refln.pdbx_signal
In the enumeration details:
Imean is the inverse-variance weighted mean intensity of all
measurements for a given symmetry-unique reflection
Ihalf is the inverse-variance weighted mean intensity of a
random half-selection of all measurements for a
given symmetry-unique reflection
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 |
|---|---|
| local <I/sigmaI> | Local weighted average Imean/sigma(Imean) |
| local wCC_half | Local weighted Pearson product-moment correlation coefficient of Ihalf/sigma(Imean) values |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| local <I/sigmaI> | Local weighted average Imean/sigma(Imean) |
| local wCC_half | Local weighted Pearson product-moment correlation coefficient of Ihalf/sigma(Imean) values |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _reflns.gphl_signal_type | gphl-proc-signal-extension.dic | 0.0 |