_RDC.ID
| Description | Unique identifier for the observed residual dipolar coupling. |
| Details: | |
| part of local key (identifies unique row in a table in the entry) | |
| Parent saveframe | RDCs |
| Data type | int |
| DB table | RDC |
| DB column | ID |
| DB type | INTEGER |
| NULL allowed | no (mandatory) |
| part of primary key | |
| row index for the table | |