Have you seen the model of this spike protein vs. the ace2 receptor?
It’s like it was designed to fit exactly there. Much deeper, much less side chain disruption. Much better surface/surface interaction vs the spike protein of another coronavirus.
And the odds that it mutated, 4 times, and each time added (even a small) sequence that’s a homolog to another protein are astronomical.
“Have you seen the model of this spike protein vs. the ace2 receptor?”
Yes. I was looking at it yesterday at NCBI.
This virus is entering via ACE2, just like SARS and MERS. See
https://www.biorxiv.org/content/10.1101/2020.01.22.914952v2