StrandConstraint I18 L22 0.795 HelixConstraint C31 S39 0.711 StrandConstraint L104 A107 0.638 StrandConstraint F118 T122 0.675 StrandConstraint V134 L137 0.727 HelixConstraint I145 E149 0.651 StrandConstraint V163 R164 0.635