Family: Coronaviridae
Subfamily: Letovirinae
Distinguishing features
The subfamily Letovirinae was established for Microhyla letovirus 1 (Figure 1.Letovirinae) based on DEmARC analysis of the nidovirus-wide conserved 3CLpro, NiRAN, RdRP, ZBH and HEL1 domains.
Figure 1.Letovirinae. Letovirus genome organization. 3′-terminal ORFs downstream of ORF1b are depicted as coloured boxes with red, S; cyan, E; yellow, M and magenta, N. ORFs for accessory proteins are depicted as coloured boxes in grey. |
Genus demarcation criteria
There is only one genus in the subfamily. Details correspond to the family descriptions.