PDBx/mmCIF
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Data Item
_em_imaging.nominal_defocus_max
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General
Item name
_em_imaging.nominal_defocus_max
Category name
em_imaging
Attribute name
nominal_defocus_max
Required in PDB entries
no
Used in current PDB entries
Yes, in about 1.3 % of entries
Item Description
The maximum defocus value of the objective lens (in nanometers) used to obtain the recorded images.
Item Example
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5000
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]+)?
Units
nanometers
Advisory Boundary Conditions
Minimum Value
Maximum Value
-20000
20000