>6lxt_B mol:protein length:132 Spike protein S2, Spike protein S2 GVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSS NFGAISSVLNDILSRLDKVESGGRGGPDVDLGDISGINASVVNIQKEIDRLNEVAKNLN ESLIDLQELGKYGG