Data Item _atom_site.pdbx_formal_charge

General

Item name
_atom_site.pdbx_formal_charge
Category name
atom_site
Attribute name
pdbx_formal_charge
Required in PDB entries
no
Used in current PDB entries
Yes, in about 4.7 % of entries

Item Description

The net integer charge assigned to this atom. This is the formal charge assignment normally found in chemical diagrams.

Data Type

Data type code
int
Data type detail
int item types are the subset of numbers that are the negative or positive integers.
Primitive data type code
numb
Regular expression
[+-]?[0-9]+
Default value
0

Allowed Boundary Conditions

Minimum Value Maximum Value
-8 8