Conotoxin MVII A and Trx fusion protein and its expression and application
A fusion protein and conotoxin technology, applied in the direction of peptide/protein components, DNA/RNA fragments, medical preparations containing active ingredients, etc., can solve the problems of unstable quality, difficult process, low yield, etc., and achieve purification Convenience, simple process, large output effect
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[0026] A kind of expression and application of embodiment Trx-CTX MVIIA fusion protein
[0027] 1. Materials and methods
[0028] 1.1 Strains and plasmids
[0029] Escherichia coli DH5α, Escherichia coli BL21(DE3), and prokaryotic expression vector pET-32a(+) were all provided by Hangzhou Jiuyuan Gene Engineering Co., Ltd. Research Institute.
[0030] 1.2 Tool enzymes and reagents
[0031] Endonucleases Kpn I and XbaI, T4 polynucleotide kinase, IPTG and protein standard molecular weight are all products of MBI Company; endonuclease EcoR I is a product of Biolab Company; T4 DNA ligase was purchased from Promega Company; CTX DNA fragments were purchased from Shanghai Sheng The resin used for purification was the product of Pharmacia Biotech; the standard molecular weight of DNA was purchased from Shanghai Boya Biotechnology Company; the commonly used chemical reagents were domestic analytical reagents.
[0032] 1.3 Instruments and equipment
[0033] The small high-speed refr...
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