_Dipole_dipole_relax.Atom_isotope_number_2
| Description | The mass number for the chemical element defined by the tag '_Atom_type' or any of its related tags. |
| Details: | |
| Parent saveframe | dipole_dipole_relaxation |
| Data type | int |
| DB table | Dipole_dipole_relax |
| DB column | Atom_isotope_number_2 |
| DB type | INTEGER |
| NULL allowed | yes |