NMRWish Built-In TCL Functions
dynGetPhiPsi: Get the protein backbone torsion angle pair phi and psi for selected residues.

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

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