Data Item _refln.pdbx_signal_status
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General 
- Item name
- _refln.pdbx_signal_status
- Category name
- refln
- Attribute name
- pdbx_signal_status
- Required in PDB entries
- no
- Used in current PDB entries
- No
Item Description
The status of a reflection related to _refln.pdbx_signal.
A measured reflection counts as observed if:
_refln.pdbx_signal >= _reflns.pdbx_observed_signal_threshold
and unobserved if:
_refln.pdbx_signal < _reflns.pdbx_observed_signal_threshold
An unmeasured but observable reflection is one that has not
been measured, but the data processing has determined that it
would have been expected to be observed had it been measured.
An unmeasured and unobservable reflection is one that the data
processing has determined would not have been expected to be
observed.
In datasets in which _refln.pdbx_signal has been populated, a null
(?) value for this item indicates an unmeasured reflection for
which it is not known whether it is observable or not.
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 |
|---|---|
| m | Measured reflection |
| o | Unmeasured but observable reflection |
| u | Unmeasured and unobservable reflection |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| m | Measured reflection |
| o | Unmeasured but observable reflection |
| u | Unmeasured and unobservable reflection |
Aliases
| Alias Item Name | Dictionary Name | Dictionary Version |
|---|---|---|
| _refln.gphl_signal | gphl-proc-signal-extension.dic | 0.0 |