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Table 2 Comparison of eight critical amino acids closely related to the neurovirulence of JEV in E protein between the virulent strains and the attenuated vaccine strain (SA14-14-2).

From: Isolation and molecular characterization of genotype 1 Japanese encephalitis virus, SX09S-01, from pigs in China

Strain E107 E138 E176 E177 E264 E279 E315 E439
SX09S-01 Leu (L) Glu (E) Ile (I) Thr (T) Gln (Q) Lys (K) Ala (A) Lys (K)
XJ69 Leu (L) Glu (E) Ile (I) Thr (T) Gln (Q) Lys (K) Ala (A) Lys (K)
P3 Leu (L) Glu (E) Ile (I) Thr (T) Gln (Q) Lys (K) Ala (A) Lys (K)
HW Leu (L) Glu (E) Ile (I) Thr (T) Gln (Q) Lys (K) Ala (A) Lys (K)
SA14 Leu (L) Glu (E) Ile (I) Thr (T) Gln (Q) Lys (K) Ala (A) Lys (K)
SA14-14-2 Phe (F) Lys (K) Val (V) Ala (A) His (H) Met (M) Val (V) Arg (R)