HelixConstraint M1 M7 0.644 StrandConstraint G16 A19 0.709 HelixConstraint H51 Y53 0.681 StrandConstraint A63 T65 0.799 StrandConstraint V76 R78 0.842 HelixConstraint E87 N88 0.719 HelixConstraint Y90 T93 0.613 HelixConstraint Q114 F124 0.644