OEProtTorType

This namespace contains constants for specifying torsion angles.

Unknown

Unknown torsion.

Phi

The protein backbone \(\phi\) dihedral angle between C(n-1)–N–CA–C(O) atoms.

Psi

The protein backbone \(\psi\) dihedral angle between N–CA–C(O)–N(n+1) atoms.

Omega

The \(\omega\) dihedral angle across the peptide bond, between CA–C(O)–N(n+1)–CA(n+1) atoms.

Chi1

The protein sidechain \(\chi_1\) dihedral angle between N–CA–CB–XG(1) atoms.

Chi2

The protein sidechain \(\chi_2\) dihedral angle between CA–CB–XG(1)–XD(1) atoms.

Chi3

The protein sidechain \(\chi_3\) dihedral angle between CB–XG–XD–XE(1) atoms.

Chi4

The protein sidechain \(\chi_4\) dihedral angle between CG–XD–XE–XZ atoms.

Chi5

The protein sidechain \(\chi_5\) dihedral angle between CD–XE–XZ–XH(1) atoms.

Max

Total number of measurable protein dihedral angles (with indices: 0 .. Max-1)