NMRWish Built-In TCL Functions
dynGetPhi: Get the protein backbone torsion angle phi C(i-1) N(i) CA(i) C(i) for selected residues.

Flag Argument Default Description  -src pdbSrc Source of Structure Data.  -res resList Residue ID List.  -chain cName Chain Name.  -seg sName Seg Name.  -round rVal Round Angles to Nearest rVal. Notes:   Phi(i) Torsion: C(i-1) N(i) CA(i) C(i)   Return values adjusted to range -180 to 180.