Data Item _assembly_subsystem.molecular_mass
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General 
- Item name
- _assembly_subsystem.molecular_mass
- Category name
- assembly_subsystem
- Attribute name
- molecular_mass
- Required in PDB entries
- no
- Used in currrent PDB entries
- No
Item Description
The approximate mass of the system as defined by the authors and is intended
to approximate the sum of the masses of all of the atoms in the system. No
attempt is made to define the mass at a specific pH value, in terms of the protonation
state of any pH titratable groups, or according to the incorporation
of isotopes.
Item Example
24000
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]+)?