_Chem_comp.Mon_nstd_parent
| Description | The name of the parent monomer of the nonstandard monomer if the nonstandard monomer represents a modification of a standard monomer. |
| Details: | |
| Parent saveframe | chem_comp |
| Data type | text |
| DB table | Chem_comp |
| DB column | Mon_nstd_parent |
| DB type | TEXT |
| NULL allowed | yes |