StrandConstraint C4 E9 0.611 StrandConstraint R17 Q21 0.734 HelixConstraint P28 C38 0.806 StrandConstraint L103 S105 0.671 StrandConstraint S116 T121 0.61 StrandConstraint H132 V134 0.77 HelixConstraint F142 E149 0.666 StrandConstraint D162 V165 0.645