HelixConstraint V8 S15 0.72 HelixConstraint Q18 A23 0.614 HelixConstraint A29 H41 0.64 HelixConstraint C58 G68 0.639 HelixConstraint A75 F86 0.749 HelixConstraint S102 D112 0.735 HelixConstraint F124 R134 0.68 HelixConstraint M145 L155 0.792