>T1431 CS221_51L, designed, 173 residues| MSGEMKEEIRRLAEELRERTKDEEVRELAREAARLAEESDDEEVKEVVKKALELALKSKDEEVIRLLLLAAVLAAAAARSGSPEEKLEIAKKALELAMKSKDEEVIRLALLAAVLAARSDDEEVLKKVKEALEKAMESKDVEEIRERLREAVEVARAGSGSHHWGSTHHHHHH