StrandConstraint R8 M13 0.774 HelixConstraint D18 E28 0.713 StrandConstraint V33 N40 0.743 HelixConstraint T53 Q65 0.685 StrandConstraint Y70 V73 0.933 HelixConstraint K77 R92 0.738 HelixConstraint K105 T118 0.602 StrandConstraint Y123 T126 0.875