>7CBC_1|Chains A, B|De novo designed switch protein caging a hemagglutinin binder (sCageHA267_1S)|synthetic construct (32630) MSELARKLLEASTKLQRLNIRLAEALLEAMARLQELNLELVYLAVELTDPKRIRDEIKEVKDKSKEIIRRAEKEIDDAAKESEKILEEAREAISGSGSYLAKLLLKAIAETQDLNLRAAKAFLEAAAKLQELNIRAVELLVKLYDPATIREALEHAKRRSKEIIDEAERAIRAAKRESERIIEEARRLIEKGSGSGSELARELLRAHAQLQRLNLELLRELLRALAQLQELNLDLLRLASELTDPDEARKAIARSKRESKRIVEDAERGGGTFACRIAAKIAAEFGYSEEQIKELLKNAGCSEDEARDAVEYLRSRPGL