_Entity_systematic_name.Naming_system
| Description | An official method of nomenclature or defined set of nomenclature for biopolymers recognized by the scientific community. |
| Details: | |
| part of local key (identifies unique row in a table in the entry) | |
| Parent saveframe | entity |
| Data type | line |
| Common values | BMRB CAS name CAS registry number EC IUPAC NCBI Pfam Swiss-Prot Three letter code |
| DB table | Entity_systematic_name |
| DB column | Naming_system |
| DB type | VARCHAR(127) |
| NULL allowed | no (mandatory) |
| part of primary key | |
| ADIT-NMR deposition system prompt | Naming system |