Data Item _em_imaging.cryogen
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General 
- Item name
- _em_imaging.cryogen
- Category name
- em_imaging
- Attribute name
- cryogen
- Required in PDB entries
- no
- Used in current PDB entries
- Yes, in about 3.1 % of entries
Item Description
Cryogen type used to maintain the specimen stage temperature during imaging
in the microscope.
Data Type 
- Data type code
- text
- Data type detail
- text item types / multi-line text ...
- Primitive data type code
- char
- Regular expression
- [][ \n\t()_,.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*
Controlled Vocabulary
| Allowed Value | Details |
|---|---|
| HELIUM | |
| NITROGEN |
Controlled Vocabulary at Deposition
| Allowed Value | Details |
|---|---|
| HELIUM | |
| NITROGEN |