Data Item _pdbx_nmr_chem_shift_ref.atom_isotope_number

General

Item name
_pdbx_nmr_chem_shift_ref.atom_isotope_number
Category name
pdbx_nmr_chem_shift_ref
Attribute name
atom_isotope_number
Required in PDB entries
yes
Used in currrent PDB entries
No

Item Description

The mass number for the chemical element defined by the tag '_pdbx_nmr_chem_shift_ref.atom_type' or any of its related tags.

Additional Descriptive Information for Depositors

 The mass number for the chemical element.

Item Example

 2

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]+