5Result: Other two major clades are called ""S,"" named after the mutation in ORF8 L84S (Ceraolo and Giorgi,), also characterized by a silent C8782T genomic mutation, and ""V,"" from the ORF3a:G251V mutation, almost always co-occurring with the NSP6:L37F event, and identified by early phylogenetic studies (Forster et al.,)."
Table: L37F
Variant analysis of SARS-CoV-2 genomes.
PMID: 32742035
2020
Bulletin of the World Health Organization
Result: Other variants including ORF3a Q57H (2893 samples), ORF1ab T265I (NSP3 T85I; 2442 samples), ORF8 L84S (1669 samples), N203_204delinsKR (1573 samples), ORF1ab L3606F (NSP6 L37F; 1070 samples) were the key variants for identifying clades.
SARS_CoV_2 mutation literature information.
PMID: 
2020
Frontiers in microbiology
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