>5cjs_D mol:protein length:191 Designed influenza hemagglutinin stem #4454, HA2GLFGAIAGFTEGGWTGMVDGWYGYHHQNEQGSGYAADQKSTQNAINGITNKVNSVIEKMNTQYTAIGKEYNKSERMKQIEDKIEEIESKQIWCYNAELLVLLENERTLDFHDSNVKNLYEKVKSQLKNNAKEIGNGCFEFYHKCNDECMESVKNGTYDYPKYSEESKLNREKIDGRSLVPRGSPGHHHHHH