>5cjq_B mol:protein length:193 Designed influenza hemagglutinin stem #4900, HA2GLFGAIAGFTEGGWTGMVDGWYGYHHQNEQGSGYAADQKSTQNAINGITNKVNSVIEKMNTQYTAIGCEYNKSERCMKQIEDKIEEIESKIWCYNAELLVLLENERTLDFHDSNVKNLYEKVKSQLKNNAKEIGNGCFEFYHKCNDECMESVKNGTYDYPKYSEESKLNREKIDGVKLESMGVYQISGRLVPR