>6X45_2|Chains C[auth A], E[auth B], F[auth C]|Spike protein S2'|Severe acute respiratory syndrome coronavirus 2 (2697049) XTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLX >6X45_1|Chains A[auth D], B[auth E], D[auth F]|Spike protein S2'|Severe acute respiratory syndrome coronavirus 2 (2697049) XDISQINASVVNIEYEIKKLEEVAKKLEESLIDLQELX