PDBx/mmCIF
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Data Item
_chem_comp_atom.type_symbol
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General
Item name
_chem_comp_atom.type_symbol
Category name
chem_comp_atom
Attribute name
type_symbol
Required in PDB entries
yes
Used in current PDB entries
Yes, in about 80.1 % of entries
Used in the Chemical Component dictionary
Yes
Item Description
The code used to identify the atom species representing this atom type. Normally this code is the element symbol.
Item Examples
3
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Item Example1
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C
Item Example2
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N
Item Example3
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O
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*|+-]*