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Trusted by Leading Research & Pharma Institutions

Baculovirus Expression Services

Accelerate your protein production with our industry-leading Baculovirus Expression Vector System. From vaccine development to structural biology research, we deliver high-quality recombinant proteins with authentic post-translational modifications and scalable production from milligram to gram quantities.

High Yield
Post-Translational Modifications
Scalable Production
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Trusted by leading research and pharmaceutical institutions

NIH
GSK
Stanford
Pfizer
Oxford
Novartis

Why Choose Us

Proven track record with 11 approved products
High-titer virus production protocols
VLP and membrane protein expertise
Scalable from lab to industrial scale

Safe Platform

Baculovirus only infects insect cells, no mammalian risk

Large Capacity

Accommodates large gene inserts for protein complexes

Complex PTMs

Glycosylation, phosphorylation, disulfide bonds

Approved Products
11+
Service Overview

Industry-Leading Baculovirus Expression System

Our platform combines decades of baculovirus expertise with cutting-edge insect cell technology to deliver recombinant proteins meeting the highest quality standards.

High-Efficiency Expression

Our proprietary baculovirus vectors utilize optimized polyhedrin and p10 promoters for exceptional protein expression levels. The BEVS platform consistently delivers high yields while maintaining proper protein folding and functional activity.

  • Expression levels up to 50% of total cellular protein
  • Proper disulfide bond formation
  • Authentic eukaryotic post-translational modifications

Proven Track Record

The baculovirus expression system has been validated through 11 approved biopharmaceutical products, including vaccines for HPV, influenza, and COVID-19. Our platform builds on this proven foundation for reliable protein production.

  • 4 human vaccines currently approved
  • 2 human therapeutic products
  • 5 veterinary vaccines

Large Gene Capacity

Viral vectors accommodate large gene inserts suitable for multi-subunit protein complexes and membrane proteins.

VLP Production

Expertise in virus-like particle assembly for vaccine development and structural biology applications.

Scalable Platform

From small-scale expression for screening to industrial production up to 200L bioreactors.

Ready to Produce Your Recombinant Protein?

Get a customized quote for your baculovirus expression project.

Technology Platform

Advanced Expression Technologies

Our optimized baculovirus-insect cell system delivers superior protein quality and yield.

Optimized Vectors

Proprietary baculovirus transfer vectors with multiple promoter options (polh, p10, gp64) for optimal expression of diverse protein types.

polh Promoter p10 Promoter

Insect Cell Lines

High-performance insect cell lines including Sf9, Sf21, and Hi5 cells, each optimized for specific expression requirements and protein quality.

Sf9 Sf21 Hi5

Glycoengineering

Engineered insect cell lines with modified glycosylation pathways for humanized glycan profiles on expressed proteins.

Sialylation Complex N-glycans

Quality Control

SDS-PAGE Expression level verification
Western Antibody-based confirmation
Mass Spec Mass spectrometry analysis
SEC-MALS Purity and aggregation analysis

Purification Options

His-tag Ni-NTA affinity purification
GST-tag Glutathione affinity purification
MBP Maltose binding protein fusion
Size Exclusion AKTA pure protein polishing
Specifications

Flexible Options for Diverse Needs

Comprehensive specifications to meet your research and production requirements.

Parameter Standard Service High-Titer Service VLP Production
Expression System Baculovirus-insect cells Baculovirus-insect cells Baculovirus-insect cells
Cell Lines Sf9, Sf21, Hi5 High-density adapted Optimized for VLP
Scale Range 1-10 L 10-200 L Custom
Typical Yield 1-10 mg/L 10-50 mg/L Varies by target
Purification Affinity + QC Multi-step + polishing Gradient + characterization
Turnaround Time 4-6 weeks 6-10 weeks 8-12 weeks
Workflow

Streamlined Process from Gene to Protein

Our proven workflow ensures quality and efficiency at every stage.

1

Gene Design

Codon optimization and sequence validation

2

Vector Construction

Transfer vector cloning and verification

3

Virus Generation

Transfection and recombinant virus isolation

4

Scale-up Infection

Amplification and large-scale production

5

Purification

Affinity capture and quality release

Applications

Diverse Applications Across Biotechnology

Our baculovirus expression services support research and development in multiple fields.

Vaccine Development

VLP-based vaccines for HPV, influenza, COVID-19, and emerging pathogens with proven regulatory track record. The baculovirus system has been validated through multiple approved vaccine products worldwide.

  • Virus-like particle (VLP) assembly
  • Recombinant antigen production
  • GMP-compatible production
  • Regulatory pathway support
11+
Approved biopharmaceutical products

Structural Biology

High-quality proteins for X-ray crystallography, cryo-EM, and NMR studies with authentic post-translational modifications. Our system consistently delivers properly folded, functional proteins for structural analysis.

  • X-ray crystallography samples
  • Cryo-EM compatible proteins
  • Membrane protein production
  • Multi-subunit complex assembly
50%
Maximum expression levels

Therapeutic Proteins

Recombinant proteins for drug discovery, clinical diagnostics, and therapeutic applications. Our glycoengineered cell lines produce humanized glycoproteins suitable for advanced therapeutic development.

  • Glycoengineered expression
  • Fc-fusion proteins
  • Enzyme replacement therapies
  • Scalable GMP production
200L
Maximum production scale
Testimonials

What Our Clients Say

Trusted by researchers worldwide for quality and reliability.

"The VLP production service exceeded our expectations. The team delivered properly assembled VLPs with excellent purity. Their regulatory expertise was invaluable for our vaccine development program."

J
Senior Scientist
Vaccine Development Company

"We needed difficult-to-express membrane proteins for cryo-EM studies. Their glycoengineered cell lines and optimization expertise delivered results where other services had failed. Highly recommended."

M
Research Director
Structural Biology Research Institution

"Excellent technical support throughout our project. The team provided valuable recommendations for expression optimization and the final protein quality was outstanding for our therapeutic development."

L
Lead Researcher
Pharmaceutical Company
Scientific Literature

Scientific Foundation

Our platform is backed by peer-reviewed research.

156 Citations

Genetic engineering of baculovirus-insect cell system to improve protein production

Hong MQ, Li T, Xue WH, et al. Frontiers in Bioengineering and Biotechnology. 2022.

Comprehensive review of genetic engineering strategies for BEVS optimization, including virus vector engineering, cell line development, and glycosylation improvement.

View DOI
42 Citations

A Review of Alternative Promoters for Optimal Recombinant Protein Expression in Baculovirus-infected Insect Cells

Grose C, Putman Z, Esposito D. Protein Expression and Purification. 2021.

Systematic review of promoter characteristics and optimization strategies including polh, p10, gp64, and early promoters for protein expression.

View DOI
38 Citations

Construction of gateway-compatible baculovirus expression vectors for high-throughput protein expression and in vivo microcrystal screening

Tang YY, Saul J, Nagaratnam N, et al. Scientific Reports. 2020.

Development of Gateway-compatible BEVS vectors for high-throughput expression and in vivo crystal screening with 40 proteins validated.

View DOI
28 Citations

High-throughput protein production: combining AI-driven design with the baculovirus expression system

Fernandez-de G, Rodriguez J, Kim H, et al. Nature Biotechnology. 2023.

Integration of AI-driven protein design with BEVS for rapid design-build-test cycles and improved success rates for challenging proteins.

View DOI
35 Citations

Optimizing Recombinant Baculovirus Vector Design for Protein Production in Insect Cells

Bannach C, Ruiz Buck D, et al. Processes. 2021.

Investigation of polyhedrin promoter optimization strategies including translation initiation codon modifications affecting expression levels.

View DOI
FAQ

Frequently Asked Questions

Find answers to common questions about our service.

The baculovirus expression system offers several key advantages: high safety (virus only infects insect cells, not mammals), large gene capacity (suitable for multi-subunit complexes and membrane proteins), authentic eukaryotic post-translational modifications including glycosylation, high expression levels, and a proven track record with 11 approved biopharmaceutical products including vaccines.
We offer multiple insect cell lines including Sf9 and Sf21 (Spodoptera frugiperda) for general expression and virus production, and High Five (Trichoplusia ni) cells for higher protein yields. Cell line selection depends on your protein requirements, and our team can recommend the optimal choice for your specific target.
Yes, we specialize in VLP production for vaccine development. Our platform has supported VLP-based vaccine candidates for multiple pathogens. We offer specialized VLP production services with optimized protocols for assembly, purification, and characterization. Typical turnaround is 8-12 weeks depending on complexity.
Expression levels vary depending on the protein, cell line, and expression conditions. Typically, our baculovirus system achieves expression levels of 1-50% of total cellular protein. For standard services, yields of 1-10 mg/L are common, while our high-titer optimized protocols can achieve 10-50 mg/L for suitable targets.
Yes, we offer GMP-compatible production for therapeutic protein and vaccine development. Our facilities support production from bench scale to industrial scale (up to 200L bioreactors) under appropriate quality systems. Contact us to discuss your specific GMP requirements and timeline.
We offer multiple affinity purification tags including His-tag (Ni-NTA), GST-tag (glutathione), MBP-tag, and Strep-tag. Multi-step purification combining affinity chromatography with ion exchange and size exclusion chromatography is available for high-purity requirements. Tag-free purification can also be attempted upon request.

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