_Chem_comp.Mon_nstd_class
| Description | A description of the class of a 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_class |
| DB type | TEXT |
| NULL allowed | yes |