Data Item _atom.type_symbol

General

Item name
_atom.type_symbol
Category name
atom
Attribute name
type_symbol
Required in PDB entries
yes
Used in currrent PDB entries
No

Item Description

The code used to identify the atom specie(s) representing this atom type. Normally this code is the element symbol. The code may be composed of any character except an underline with the additional proviso that digits designate an oxidation state and must be followed by a + or - character.

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*|+-]*