PDBx/mmCIF
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Data Item
_ca_cb_constraint.atom_type_4
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General
Item name
_ca_cb_constraint.atom_type_4
Category name
ca_cb_constraint
Attribute name
atom_type_4
Required in PDB entries
yes
Used in currrent PDB entries
No
Item Description
Standard symbol used to define the atom element type.
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*|+-]*