StrandConstraint L3 V6 0.639 StrandConstraint Q9 C12 0.607 StrandConstraint L24 V27 0.684 StrandConstraint C40 I44 0.693 StrandConstraint W54 L57 0.767 HelixConstraint A63 R64 0.622 StrandConstraint L76 I81 0.64 StrandConstraint V91 I92 0.64