Genway Biotech

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  • Proteins
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  • Genway Biotech公司是为了探索和开发人类蛋白组而成立的。公司的总任务就是用基因特异性抗体來筛选和鉴定新蛋白、其功能及其编码基因,旨在成为以抗体介导的蛋白组研发的领域先锋。基因纬公司已成功地发展出一套有自己知识产权的、新穎、高效、低耗、高筛选通量的鉴定方法――抗体介导的蛋白和基因鉴定。公司提供大量的高质量的蛋白和相应的鸡抗体产品,是蛋白质组学研究的重要工具和有力助手。

    Genway Biotech公司产品包括:



    Seppro™ IgY Microbeads:用来删除高表达蛋白以达到分析低表达蛋白的目的;或者用来分离高纯度的靶蛋白。 ELISA试剂盒:人类高表达蛋白ELISA试剂盒(使用IgY抗体);以及儿茶酚胺及生物胺ELISA试剂盒


    Laboratory ProductsThousands of reagents and kits to support researchers
  • ELISA Kits
  • Antibodies
  • Proteins
  • Peptides
  • Expression systems
  • ...and more
  • Custom ServicesHigh quality solutions for all custom projects
  • Protein Expression
  • Antibody Development
  • ELISA Development
  • Zika VirusELISA Kits & Proteins AvailableView our selection of ELISA kits and proteins for Zika Virus research.Serum DepletionProtein Marker Discovery ProductsRemove highly abundant proteins to dig deeper into the proteomeAntibody ServicesGet The Exact Antibody You NeedIncludes full service polyclonal, monoclonal, single chain, GMP, and more.

    美国Genway Biotech公司是美国的著名鸡源抗体公司,提供大量的高质量的蛋白和相应的鸡抗体产品。

    As a leading protein and antibody solutions provider, Genway Biotech has a proprietary technology platform and an international network to provide our clients with solutions and applications for proteins, antibodies, assays, and cell lines. We specialize in recombinant proteins and domain-specific IgY (chicken) antibodies and their applications, such as Seppro® products and difficult-to-express proteins. GenWay’s technology and expertise make high-quality protein antigens that enable production of high-quality antibodies and related applications.

    Protein Expression Services

    Genway Biotech provides customized solutions to each protein expression project. Our expert scientific staff has experience with difficult proteins and have produced more than 2,500 recombinant proteins. Whether your needs are small scale research or large scale cGMP, we can apply our experience to meet your needs. Services include E. coli expression, Mammalian expression, Yeast expression, and Antigen Preparation. Please use our convenient online Protein Expression Quote Form if you would get a quote or schedule a call to discuss your needs.

    E. coli Custom Protein Expression ServicesGenway Biotech recombinant protein production in E. coli provides services for antigen production, ligand preparation, and proteins for binding assays, cell based assays, enzymatic assays, vaccine development and therapeutics. Our proprietary platforms can produce functional recombinant proteins, domain specific fragments, fusion proteins, and protein complexes. We understand the need for active proteins, free of impurities, to produce clean reproducible results.View our ISO13485 compliant protein development, validation, and production options.The following is our E. coli custom protein expression development template:

    Step 1Bioinformatic analysis, domain selection and vector designGenWay conducts bioinformatic analysis on target(s) and recommends an expression strategy to each client. Sequence verified cDNAs are provided by the client, supplied by GenWay, or are purchased from available commercial sources.
    Step 2Prepare subcloning plasmid and construct expression vectorsUsing GenWays vector system with the most appropriate strategy to construct vectors.
    Step 3Target sequence analysis and confirmationConduct DNA sequencing and analysis to confirm correct coding and flanking sequence.
    Step 4Cell transformation and expression clone preparationUse GenWay’s proprietary expression cell lines and prepare expression cell clone.
    Step 5Protein production and purificationExpress protein in a small scale culture, collect and lyse cells, isolate and purify protein. If the protein is not soluble, then the processes of solubilization and refolding will be initiated.
    Step 6Quality control testConduct SDS-PAGE analysis and generate QC report.
    Step 7Scale-up production and quality control testProduce and purify target proteins at a large scale.
    Step 8Characterization of target protein (including functional studies)1. Determine purity in conjunction with client specifications.
    2. Employ a functional assay method provided by client or to be specifically developed.
    3. Utilize immunoassays such as western blot analysis, ELISA, etc, after antibodies are produced or provided.
    Each protein has its unique biochemical feature in the expression process. GenWays team will work with the client to develop the best strategy and use the most cost-effective process.Purification Methods
  • Affinity Chromatography
    • Anti-Flag
    • Glutathione Sepharose
    • Heparin Sepharose
    • Ni-NTA
    • Protein A
    • Protein G
    • Streptavidin Sepharose
    • Talon resin
  • Ion Exchange Chromatography
    • ANX
    • CM Sepharose
    • DEAE Sepharose
    • Mono-Q
    • Q Sepharose Fast Flow
    • Q Sepharose XL
    • Resource Q
    • SP Sepharose
  • Hydrophobic Interaction Chromatography
    • (CH2)n Sepharose
    • Phenyl Sepharose
  • Size Exclusion Chromatography
  • Optional Services
  • Tag Removal
  • Endotoxin Removal
  • Protein solubilization and refolding