_Torsion_angle_constraint.Atom_ID_2
| Description | Pointer to '_Chem_comp_atom.Atom_ID' |
| Details: | |
| Parent saveframe | torsion_angle_constraints |
| Data type | atcode |
| DB table | Torsion_angle_constraint |
| DB column | Atom_ID_2 |
| DB type | CHAR(12) |
| NULL allowed | no (mandatory) |