Table 6. Comparison of the amino acid residues of E gene among the 139 JEV-positive sequencing GI samples.

Amino acid residue	Domain	Mutation	No. of mutation samples	Mutation Rate (%)
E89	Ⅱ	S→N	11	7.91
E434	Non	F→L	8	5.76
E397	III	H→Y	7	5.04
E261	II	G→A	5	3.60
E36	I	N→S	4	2.88
E486	Non	A→V	4	2.88
E86	II	A→V	3	2.16
E369	III	K→R	3	2.16