Data Item _chem_comp_atom.atom_id

General

Item name
_chem_comp_atom.atom_id
Category name
chem_comp_atom
Attribute name
atom_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

The value of _chem_comp_atom.atom_id must uniquely identify each atom in each monomer in the CHEM_COMP_ATOM list. The atom identifiers need not be unique over all atoms in the data block; they need only be unique for each atom in a component. Note that this item need not be a number; it can be any unique identifier.

Data Type

Data type code
atcode
Data type detail
Character data type for atom names ...
Primitive data type code
char
Regular expression
[][ _(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*