>9j5l_J mol:protein length:195 Designed influenza hemagglutinin stem #219 HA2CLFGAIAGFIEGGWTGMVDGWYGYHHQNEQGSGYAADQKSTQNAINCITNKVNSVIEKMNTQYTAIGKEFNKSERRIENLNKKVDDGFLDIWCYIAELLVLLENERTLDFHDSNVKNLYEKVKCQLKNNAKEIGNGCFEFYHKCNNECMESVKNGTYDYPKYSEESKLNREKIDGVKLESMGVYQIEGRHHHHHH