Data Item _chem_comp.formula

General

Item name
_chem_comp.formula
Category name
chem_comp
Attribute name
formula
Required in PDB entries
no
Used in current PDB entries
Yes, in about 100.0 % of entries
Used in the Chemical Component dictionary
Yes

Item Description

The empirical chemical formula for the chemical component.

Item Example

 
C9 H11 N O3

Data Type

Data type code
line
Data type detail
char item types / multi-word items ...
Primitive data type code
char
Regular expression
[][ \t_(),.;:"&<>/\{}'`~!@#$%?+=*A-Za-z0-9|^-]*