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" ... Each triad of bases codes for an amino acid which, combined with other amino acids, forms a protein. The protein carries out specific functions in your body. ... "
" ... The winning laboratory-created variant contains seven amino acid substitutions in the spike protein's receptor-binding domain. Studies of the structure of the protein reveal their function. Four of the seven stabilize the spike protein structure, and three tighten the intimate contacts the spike makes with the ACE receptor. ... "
" ... Why is this new variant (or strain or lineage) more transmissible? Compared to your more run-of-the mill SARS-CoV2, the B.1.1.7 strain appears to have mutations resulting in 17 amino acid changes in the virus’ proteins, including eight amino acid changes in the spike protein. As they say in real estate and massages, location, location, location. When it comes to the impact of mutations and amino acid changes in viruses, it’s all about location. And when it comes to the virus’s ability to infect your cells, it is not all about that bass. It’s all about the spike protein. ... "