PDBx/mmCIF
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Data Item
_em_imaging.nominal_cs
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General
Item name
_em_imaging.nominal_cs
Category name
em_imaging
Attribute name
nominal_cs
Required in PDB entries
no
Used in current PDB entries
Yes, in about 0.5 % of entries
Item Description
The spherical aberration coefficient (Cs) in millimetres, of the objective lens.
Item Example
View/hide Example
1.4
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
millimetres