Creates a `CoiledCoil` from a list of `HelicalHelices`.

        Parameters
        ----------
        polymers : [HelicalHelix]
            List of `HelicalHelices`.

def from_polymers(cls, polymers):
        """Creates a `CoiledCoil` from a list of `HelicalHelices`.

        Parameters
        ----------
        polymers : [HelicalHelix]
            List of `HelicalHelices`.
        """
        n = len(polymers)
        instance = cls(n=n, auto_build=False)
        instance.major_radii = [x.major_radius for x in polymers]
        instance.major_pitches = [x.major_pitch for x in polymers]
        instance.major_handedness = [x.major_handedness for x in polymers]
        instance.aas = [x.num_monomers for x in polymers]
        instance.minor_helix_types = [x.minor_helix_type for x in polymers]
        instance.orientations = [x.orientation for x in polymers]
        instance.phi_c_alphas = [x.phi_c_alpha for x in polymers]
        instance.minor_repeats = [x.minor_repeat for x in polymers]
        instance.build()
        return instance