HelixConstraint L20 H32 0.742 HelixConstraint V42 T46 0.876 HelixConstraint A53 L63 0.767 HelixConstraint L80 S88 0.798 HelixConstraint A96 Q97 0.688 HelixConstraint H99 S112 0.62 HelixConstraint S149 A156 0.657 HelixConstraint D164 L170 0.629 HelixConstraint L186 A195 0.875 HelixConstraint H242 I246 0.738 HelixConstraint S248 L260 0.687