Varian Beta SARS-CoV-2: Perbedaan antara revisi

Ilmuwan mencatat bahwa varian ini bisa lebih mudah menempel pada sel manusia karena tiga mutasi dalam domain pengikat reseptor (RBD) pada bulir virus, yaitu N501Y,<ref name="nytimes"/><ref name="caprisa">{{cite web |url=https://www.scribd.com/document/488618010/Full-Presentation-by-SSAK-18-Dec |last=Abdool Karim |first=Salim |date=19 Desember 2020 |title=The 2nd Covid-19 wave in South Africa: Transmissibility & a 501.V2 variant |page=11 |website=[[Scribd]] |publisher=[[CAPRISA]] |access-date=24 Desember 2020 |language=en}}</ref> K417N, dan [[E484K]].<ref>{{citation |title=Statement of the WHO Working Group on COVID-19 Animal Models (WHO-COM) about the UK and South African SARS-CoV-2 new variants |date=22 Desember 2020 |publisher=World Health Organization |url=https://www.who.int/docs/default-source/blue-print/who-com-statement_new-variant_rev1.pdf?sfvrsn=b87c0ad8_3&download=true |access-date=23 Desember 2020 |language=en}}</ref><ref>{{cite web |url=https://blogs.sciencemag.org/pipeline/archives/2020/12/22/the-new-mutations |last=Lowe |first=Derek |date=22 Desember 2020 |title=The New Mutations |website=In The Pipeline |publisher=American Association for the Advancement of Science |access-date=23 Desember 2020 |quote=I should note here that there’s another strain in South Africa that is bringing on similar concerns. This one has eight mutations in the Spike protein, with three of them (K417N, E484K and N501Y) that may have some functional role. |language=en |archive-date=2021-01-29 |archive-url=https://web.archive.org/web/20210129073128/https://blogs.sciencemag.org/pipeline/archives/2020/12/22/the-new-mutations |dead-url=yes }}</ref> Dua di antaranya, [[E484K]] dan N501Y, ada dalam motif pengikat reseptor (RBM) dari domain pengikat reseptor (RBD).<ref name="Tegally21" /><ref>{{cite web |url=https://www.sciencemediacentre.org/expert-reaction-to-south-african-variant-of-sars-cov-2-as-mentioned-by-matt-hancock-at-the-downing-street-press-briefing/ |title=Expert reaction to South African variant of SARS-CoV-2 |publisher=Science Media Centre |access-date=26 Desember 2020 |language=en}}</ref> Mutasi N501Y juga ada dalam [[Varian Alpha SARS-CoV-2|varian Alpha]] dan [[Varian Gamma SARS-CoV-2|Gamma]].

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