In reply to @jianfcpku

Fanchong Jian

Fanchong Jian

@jianfcpku · Twitter ·

SPR experiments demonstrated that although the affinities of JN.1 and KP.2 for the receptor ACE2 decreased compared to BA.2.86, the epistatic effect of the F456L and Q493E mutations in KP.3 significantly increased the ACE2 affinity, which was also reported by @tylernstarr lab.(5/

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