_H_chem_shift_constraint_list.Data_file_format
| Description | File format for the proton chemical shift constraints. |
| Details: | |
| Parent saveframe | H_chem_shift_constraints |
| Data type | line |
| DB table | H_chem_shift_constraint_list |
| DB column | Data_file_format |
| DB type | VARCHAR(127) |
| NULL allowed | yes |