HelixConstraint Q4 A13 0.665 StrandConstraint R36 A40 0.611 HelixConstraint S44 V48 0.767 HelixConstraint L51 K58 0.843 StrandConstraint W77 V78 0.671 StrandConstraint V87 H88 0.672 HelixConstraint V94 I100 0.603