HelixConstraint I20 P51 0.63 StrandConstraint I56 Y60 0.805 HelixConstraint D65 C76 0.712 StrandConstraint I83 Q86 0.782 HelixConstraint Q95 F106 0.687 HelixConstraint E117 R126 0.621 HelixConstraint D150 K153 0.696 StrandConstraint E159 I165 0.667 StrandConstraint M189 R190 0.746 HelixConstraint L199 S209 0.87 HelixConstraint W249 A254 0.636 HelixConstraint S273 S281 0.648 StrandConstraint W291 L293 0.644 HelixConstraint L298 A301 0.616