StrandConstraint V4 L7 0.677 HelixConstraint I17 K20 0.646 StrandConstraint I74 I78 0.615 HelixConstraint V87 L97 0.623 StrandConstraint I109 A113 0.639 HelixConstraint L130 K137 0.689 HelixConstraint G157 I165 0.601