NMRWish Built-In TCL Functions
pdbAngle: Get the angle formed by three atoms in a PDB file, using nmrWish GDB database entries.

Return XYZ coords of a PDB entry:   pdbCoords entry Return Distance Between Two PDB entries:   pdbDist entry1 entry2 Return Angle Formed by Three PDB entries:   pdbAngle entry1 entry2 entry3 Return Dihedral Angle Formed by Four PDB entries:   pdbAngle entry1 entry2 entry3 entry4