StrandConstraint R6 R11 0.703 StrandConstraint G18 H22 0.792 StrandConstraint Q30 V35 0.702 HelixConstraint P40 S44 0.647 StrandConstraint R51 V55 0.909 HelixConstraint H65 K73 0.905 StrandConstraint A79 V84 0.821