_Coupling_constant.Ambiguity_code_1
| Description | A code indicating the presence of ambiguity in the assignment of the atom to the coupling constant value. This type of ambiguity can arise for geminal groups like the glycine alpha protons and other methylene groups. |
| Details: | |
| Parent saveframe | coupling_constants |
| Data type | code |
| DB table | Coupling_constant |
| DB column | Ambiguity_code_1 |
| DB type | VARCHAR(3) |
| NULL allowed | yes |