Coronavirus study: Sturdier spike protein behind variants’ faster spread
Led by Prof. Bing Chen, a professor of pediatrics at Boston Children’s Hospital, the study examined changes that had occurred in the spike proteins belonging to the D614G mutation, which is what is carried by the variants from Brazil, South Africa and the UK.
All of these variants have been known to spread more easily compared to the original strain.
“Say the original virus has 100 spikes,” Chen explained in a press release. “Because of the shape instability, you may have just 50% of them functional. In the G614 variants, you may have 90% that are functional, so even though they don’t bind as well, the chances are greater that you will have infection.”
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