Figure 4From: Expression and characterization of recombinant VP19c protein and N-terminal from duck enteritis virusTime optimization analysis by SDS-PAGE. M, low molecular protein marker; 1, 2, 3, and 4, the bacterial cultures of pET32a-VP19c were induced for 3 h, 4 h, 5 h, overnight (16 h), respectively; 5, 6, 7, and 8, the bacterial cultures of pET32a-VP19c(N) were induced for 3 h, 4 h, 5 h, overnight (16 h), respectively.Back to article page