PDBx/mmCIF
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Data Item
_chem_comp_atom.comp_id
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General
Item name
_chem_comp_atom.comp_id
Category name
chem_comp_atom
Attribute name
comp_id
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
This data item is a pointer to _chem_comp.id in the CHEM_COMP category.
Data Type
Data type code
ucode
Data type detail
code item types/single words (case insensitive) ...
Primitive data type code
uchar
Regular expression
[_,.;:"&<>()/\{}'`~!@#$%A-Za-z0-9*|+-]*
Parent Data Items
_chem_comp.id
Child Data Items
_chem_comp_angle.comp_id
_chem_comp_bond.comp_id
_chem_comp_tor.comp_id
_chem_comp_tor_value.comp_id