_Torsion_angle_constraint.Auth_alt_ID_1
| Description | Author's alternate location identifier. |
| Details: | |
| Parent saveframe | torsion_angle_constraints |
| Data type | code |
| DB table | Torsion_angle_constraint |
| DB column | Auth_alt_ID_1 |
| DB type | VARCHAR(15) |
| NULL allowed | yes |