>9j5l_2 mol:protein length:195 Designed influenza hemagglutinin stem #219 HA2CLFGAIAGFIEGGWTGMVDGWYGYHHQNEQGSGYAADQKSTQNAINCITNKVNSVIEKMNTQYTAIGKEFNKSERRIENLNKKVDDGFLDIWCYIAELLVLLENERTLDFHDSNVKNLYEKVKCQLKNNAKEIGNGCFEFYHKCNNECMESVKNGTYDYPKYSEESKLNREKIDGVKLESMGVYQIEGRHHHHHH