code: def build(self):
          
          monomers = [HelicalHelix(major_pitch=self.major_pitches[i],
                                   major_radius=self.major_radii[i],
                                   major_handedness=self.major_handedness[i],
                                   aa=self.aas[i],
                                   minor_helix_type=self.minor_helix_types[i],
                                   orientation=self.orientations[i],
                                   phi_c_alpha=self.phi_c_alphas[i],
                                   minor_repeat=self.minor_repeats[i],
                                   )
                      for i in range(self.oligomeric_state)]
          axis_unit_vector = numpy.array([0, 0, 1])
          for i, m in enumerate(monomers):
              m.rotate(angle=self.rotational_offsets[i], axis=axis_unit_vector)
              m.translate(axis_unit_vector * self.z_shifts[i])
          self._molecules = monomers[:]
          self.relabel_all()
          for m in self._molecules:
              m.ampal_parent = self
          return
docs: Builds a model of a coiled coil protein using input parameters.