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The representative alignment for the comparison of the surface glycoprotein between SARS-CoV-2, SARS-CoV and Bat SARS - like virus (including the first 20 SARS-CoV-2 sequences, in addition to SARS-CoV-2 references), focusing the attention on the relevant positions 472 (amino acid L or P in SARS COV), 479 (amino acid N in SARS CoV) and 487 (amino acid T or S) of SARS CoV.
