SARS Coronavirus 2 BN.1

**Semantic type:** Virus

**Definition:** A sublineage variant of the BA.2.75 lineage of SARS coronavirus 2 where the following variations in the spike glycoprotein sequence have been identified: deletions of the amino acids at positions 25/27 and amino acid substitutions T19I, L24S, G142D, K147E, W152R, F157L, I210V, V213G, G257S, G339H, R346T, K356T, S371F, S373P, S375F, T376A, D405N, R408S, K417N, N440K, G446S, N460K, S477N, T478K, E484A, F490S, Q498R, N501Y, Y505H, D614G, H655Y, N679K, P681H, N764K, D796Y, Q954H and N969K. This variant harbors a ORF1b protein amino acid substitution G622S and a ORF6 protein substitution D61L.

**Synonyms:** - B.1.1.529.2.75.5.1 - BA.2.75.5.1 - BN.1 - Omicron - SARS Coronavirus 2 Variant Lineage BN.1 - SARS-CoV-2 BN.1 - SARS2 BN.1