Fig. 4From: Isolation of a feline-derived feline panleukopenia virus with an A300P substitution in the VP2 protein and confirmation of its pathogenicity in dogsEffects of substitutions at VP2 amino acid residue 300 (A300P) on protein tertiary structure. AÂ Diagram of the substitution structure model. BÂ Structural changes after tertiary structural substitution of VP2 proteinBack to article page