Data Item _chem_comp.formula_weight

General

Item name
_chem_comp.formula_weight
Category name
chem_comp
Attribute name
formula_weight
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

Formula mass in daltons of the chemical component.

Item Example

 
181.19

Data Type

Data type code
float
Data type detail
int item types are the subset of numbers that are the floating numbers.
Primitive data type code
numb
Regular expression
-?(([0-9]+)[.]?|([0-9]*[.][0-9]+))([(][0-9]+[)])?([eE][+-]?[0-9]+)?