Buy Recombinant Protein for High-Precision Research

Beta LifeScience offers an extensive library of recombinant proteins designed to empower scientific discovery in drug development, diagnostics, biotechnology, and beyond  If you’re looking for premium-quality recombinant proteins to elevate your research, click here to buy recombinant protein.

Why Beta LifeScience Stands Out

  • Wide and Diverse Catalog
    Over 25,000 recombinant proteins available—including cytokines, chemokines, growth factors, immune checkpoint proteins, CD antigens, enzymes, viral antigens, and more .

  • Multiple Expression Systems & Formats
    Choose from a variety of host systems such as CHO, E. coli, yeast, HEK293, and insect cells, with options for different tags (His, Fc, GST, Flag) or tag-free formats .

  • Unmatched Purity & Bioactivity
    Most proteins are ≥ 95% pure (SDS-PAGE verified), with functional validation through ELISA or activity assays, and endotoxin levels kept below 0.1 EU/μg .

  • In-House Development & Consistency
    All recombinant proteins are independently developed and produced by Beta LifeScience, ensuring high reproducibility and lot-to-lot consistency 

Applications Across Research Fields

  • Drug Discovery & Assay Development
    Proteins used in functional screens, binding assays, and therapeutic target validation.

  • Vaccine Research & Diagnostics
    Essential components for recombinant protein–based vaccines and detection kits.

  • Structural & Interaction Studies
    Ideal for modeling protein interactions, structural biology, and biochemical pathway analysis 

Featured Product Collections

  • Fall Special: Full-Length Proteins
    These retain full amino acid sequences for authentic folding, PTMs, and functional domains—perfect for in-depth structural or interaction studies

  • Production-Optimized Proteins
    Designed for affordability and scalability, these proteins maintain ≥ 95% purity and are ideal for routine assays and high-throughput labs 

  • Active Recombinant Proteins (Fall Special)
    Featuring high purity, activity, and stability with low endotoxin—excellent for therapeutic, immunotherapy, and diagnostic applications

  • Tag-Free Proteins (Fall Special)
    These maintain native conformation—eliminating interference from fusion tags—ideal for enzyme kinetics, structural analyses, and therapeutic screenings 

Specialized Applications

  • Transmembrane Proteins
    High-purity, functionally validated proteins for exploring receptor-ligand interactions in immunology, oncology, and neurobiology 

  • Kinase Proteins
    Array of serine/threonine, tyrosine, lipid, and histidine kinases, available in active, tagged, and mutant forms—essential tools in signaling and cancer research 

Rapid and Reliable Supply Options

  • In-Stock Recombinant Proteins
    Ready to ship immediately, these proteins offer fast delivery, high purity, and robust bioactivity—ideal for urgent experiments or replenishing the lab 

Custom Support & Ordering Made Easy

Beta LifeScience supplements quality products with technical support and custom services, including protein expression, crystallization, and antibody production 

Whether you're building assays, modeling molecular pathways, or seeking therapeutic insight, Beta LifeScience offers a high-quality, reliable platform to support your research. When you're ready to buy recombinant protein, explore their collection and find the scientific tools that best suit your needs.

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