HelixConstraint D6 L13 0.765 HelixConstraint T18 L24 0.72 HelixConstraint Q34 G42 0.622 HelixConstraint T52 L56 0.743 HelixConstraint S65 E73 0.627 HelixConstraint G100 R102 0.848 HelixConstraint L104 R117 0.619 HelixConstraint D124 A129 0.881 HelixConstraint P136 L138 0.758