HelixConstraint A330 Q347 0.629 StrandConstraint I351 L356 0.729 StrandConstraint L365 K371 0.748 HelixConstraint G376 S387 0.643 StrandConstraint K396 C401 0.769 HelixConstraint W410 T419 0.836 StrandConstraint T427 L429 0.715 StrandConstraint K450 A455 0.694 HelixConstraint P475 L488 0.772