_Entity.Nstd_monomer
| Description | A boolean flag that indicates the presence (No) or absence (Yes) of non-standard chemical components in the entity. |
| Details: | |
| Parent saveframe | entity |
| Data type | yes_no |
| DB table | Entity |
| DB column | Nstd_monomer |
| DB type | BOOLEAN |
| NULL allowed | yes |
| ADIT-NMR deposition system prompt | A non-standard residue is present |