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Biological Magnetic Resonance Data BankA Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules |
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| Description | The mass number for the chemical element defined by the tag '_Atom_type' or any of its related tags. |
| Details: | |
| Parent saveframe | chem_shift_perturbation |
| Data type | int |
| DB table | Chem_shift_perturbation |
| DB column | Atom_isotope_number |
| DB type | INTEGER |
| NULL allowed | yes |