# refseq assembly genbank ucsc NC_043038.1 S1 KM817740.1 NC_043038v1 NC_043039.1 L KM817680.1 NC_043039v1 NC_043040.1 M KM817715.1 NC_043040v1 NC_043041.1 S2 KM817741.1 NC_043041v1