_Mass_spec_ref_compd_set.Sf_ID
| Description | An interger value that is the unique identifier for the save frame that applies across the archive. This value is not stable and may be reassigned each time the data are loaded into a database system. |
| Details: | |
| This tag contains a saveframe ID unique within BMRB database. It exists only in the database and is not exported to NMR-STAR files. Saveframe IDs are automatically generated and are not expected to be stable between different versions of the BMRB database. | |
| Parent saveframe | Mass_spec_ref_compd |
| Data type | int |
| DB table | Mass_spec_ref_compd_set |
| DB column | Sf_ID |
| DB type | INTEGER |
| NULL allowed | yes |