Yongguo Zhang

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The HCV NS3 serine protease that plays important role in the processing of polyprotein and the replication of virus is a prime target for antiviral drugs and therapy research. Based on the crystallographic structure of HCV sreine protease, a single-chain protease was contstructed in which the central sequence of NS4A was fused to the N-terminus of NS3(More)
Codon bias was one of the important parameter which influence heterogenous gene expression, optimizing codon sequence could improve expression level of heterogenous gene. In the preview study, wildtype E2 gene was expressed poorly in Pichia pastoris, in order to improve the expression level of E2 gene in Pichia pastoris, the low usage codons of E2 gene were(More)
The antigenic region of VP1 gene of swine vesicular disease virus was amplified by reverse transcription polymerase chain reaction (RT-PCR) and nested polymerase chain reaction (nPCR). After the amplified fragment was cloned into the expression vector pProEX-HTb. The insert position,the size and the reading frame of the insertion were identified by PCR,(More)
The breakout prediction system of traditional BP neural network is analysed and discussed in this paper, the structure of BP neural network combined with actual situation is redesigned. Based on the input of temperature unit, the breakout prediction system of BP neural network become more concise and more convenient, at the same time, some necessary(More)
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