The genome sizes of SNU8067 ( 27 , 708 nt ) and KM91 ( 27 , 626 nt ) were slightly different and the nucleotide and amino acid identities of the S1 ( 79 % , 77 % ) , 3a ( 65 % , 52 % ) , and 3b ( 81 % , 72 % ) genes were lower than those of other genes ( 94 %