HelixConstraint A335 E338 0.654 HelixConstraint L344 K346 0.67 StrandConstraint A366 K371 0.686 HelixConstraint R380 L389 0.631 StrandConstraint K396 D402 0.675 HelixConstraint V413 T419 0.861 StrandConstraint V428 V430 0.63 StrandConstraint M451 A455 0.723 HelixConstraint V478 L488 0.782