_Atom_nomenclature.Comp_ID
| Description | Pointer to '_Chem_comp.ID' |
| Details: | |
| part of local key (identifies unique row in a table in the entry) | |
| local (parent) saveframe ID (unique within the entry and saveframe category) | |
| Parent saveframe | chem_comp |
| Data type | code |
| DB table | Atom_nomenclature |
| DB column | Comp_ID |
| DB type | CHAR(12) |
| NULL allowed | no (mandatory) |
| part of primary key | |