A rigorous framework for detecting SARS-CoV-2 spike protein mutational ensemble from genomic and structural features.
PMID: 34806033
2021
Current research in structural biology
Result: Eight prominent mutations were present in the first group with more than 50% frequency; N501Y, P681H, T716I, D1118H, A570D, S982A, HV69/70del, and Y144del.
Result: The linker region consists of variant stretches contributed from three prominent mutations A570D, H655Y, and P681 H/R along with D614G.
The alpha/B.1.1.7 SARS-CoV-2 variant exhibits significantly higher affinity for ACE-2 and requires lower inoculation doses to cause disease in K18-hACE2 mice.
Method: The B.1.1.7 differs from the B.1 in the spike protein on positions S:N501Y, S:A570D, S:T716I, S:P681H, S:S982A, S:D1118H, S:del69/70, and S:del144/145.
Local occurrence and fast spread of B.1.1.7 lineage: A glimpse into Friuli Venezia Giulia.
Result: Indeed, all of the SARS-CoV-2 B.1.1.7 genomes analyzed in our cohort contained all the so-called signature mutations in the Spike glycoprotein, including p.H69-V70del, p.Y144del, p.N501Y, p.A570D, p.P681H, p.T716I, p.S982A, and p.D1118H.
Result: Some important hotspot mutations like H69-, V70-, Y144-, A222V, N501Y, A570D, P681H, and P681R identified in this study are associated with the different SARS-CoV-2 variants of concern like Alpha, Beta, Gamma, and Delta.
Table: A570D
Heterologous prime-boost immunizations with chimpanzee adenoviral vectors elicit potent and protective immunity against SARS-CoV-2 infection.
Method: pS-B.1.1.7 and pS-B.1.351 plasmids were constructed with mutant S genes expressing the spike protein of the B.1.1.7 variant (GenBank: QQH18545.1, containing the H69, V70, and Y145 deletions and N501Y, A570D, D614G, P681H, T716I, S982A, and D1118H mutations) and B.1.351 variant (GenBank: QRI43207.1, containing the L242, A243, and L244 deletions and L18F, D80A, D215G, S305T, K417N, E484K, N501Y, D614G
Glycan Masking of Epitopes in the NTD and RBD of the Spike Protein Elicits Broadly Neutralizing Antibodies Against SARS-CoV-2 Variants.
Introduction: The Alpha (B.1.1.7) variant encodes an S protein with nine mutations (del 69-70, Del 144, N501Y, A570D, D614G, P681H, T716I, S982A, and D1118H), of which N501Y is in the receptor-binding domain (RBD).
A Genomic Snapshot of the SARS-CoV-2 Pandemic in the Balearic Islands.
Discussion: This lineage is defined by 14 amino acid changes and three deletions, including six amino acid substitutions and two deletions in the spike protein: S:DeltaH69-V70, S:DeltaY144, S:N501Y, S:A570D, S:P681H, S:T716I, S:S982A, and S:D1118H and it has been related with some evolutionary advantages such as an increased transmissibility.
Molecular Characterization of Severe Acute Respiratory Syndrome Coronavirus 2 Isolates From Central Inner Sardinia.
Result: The III wave was characterized by the appearance of the subset of mutations that distinguish the B.1.1.7 lineage such as H69_V70del, Y144del, N501Y, A570D, P681H, T716I, S982A, and D1118H.
SARS_CoV_2 mutation literature information.
PMID: 
2021
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