StrandConstraint E211 C214 0.688 StrandConstraint F221 S223 0.682 StrandConstraint L231 N233 0.63 StrandConstraint R237 K238 0.621 StrandConstraint L245 I251 0.624 StrandConstraint I272 V274 0.616 HelixConstraint K277 K282 0.671 StrandConstraint Y288 P289 0.639 StrandConstraint W291 V294 0.69 HelixConstraint T297 A301 0.602