Figure 3From: Expression and characterization of recombinant VP19c protein and N-terminal from duck enteritis virusTemperature optimization analysis by SDS-PAGE. M, low molecular protein marker; 1, 2, and 3, the bacterial cultures of pET32a-VP19c were induced in 25°C, 30°C, 37°C, respectively; 4, 5, and 6, the bacterial cultures of pET32a-VP19c(N) were induced in 37°C, 30°C, 25°C, respectively.Back to article page